diff --git a/dmoj/settings.py b/dmoj/settings.py
index e379e3e..ee4d1a1 100644
--- a/dmoj/settings.py
+++ b/dmoj/settings.py
@@ -168,7 +168,7 @@ else:
                 },
                 {
                     "model": "judge.Submission",
-                    "icon": "fa-check-square-o",
+                    "icon": "fa-check-square",
                     "children": [
                         "judge.Language",
                         "judge.Judge",
diff --git a/judge/views/contests.py b/judge/views/contests.py
index 1fadb7b..6557fd4 100644
--- a/judge/views/contests.py
+++ b/judge/views/contests.py
@@ -159,6 +159,8 @@ class ContestList(
     def get_default_sort_order(self, request):
         if request.GET.get("contest") and settings.ENABLE_FTS:
             return "-relevance"
+        if self.current_tab == "future":
+            return "start_time"
         return "-start_time"
 
     @cached_property
@@ -279,12 +281,24 @@ class ContestList(
         return (
             self._get_queryset()
             .filter(start_time__gt=self._now)
-            .order_by("start_time", "key")
+            .order_by(self.order, "key")
         )
 
     def _get_active_participations_queryset(self):
-        active_contests = self._get_queryset().filter(id__in=self._active_contests_ids)
-        return self._active_participations().filter(contest_id__in=active_contests)
+        active_contests = (
+            self._get_queryset()
+            .filter(id__in=self._active_contests_ids)
+            .order_by(self.order, "key")
+        )
+        ordered_ids = list(active_contests.values_list("id", flat=True))
+
+        participations = self._active_participations().filter(
+            contest_id__in=ordered_ids
+        )
+        participations = sorted(
+            participations, key=lambda p: ordered_ids.index(p.contest_id)
+        )
+        return participations
 
     def get_queryset(self):
         if self.current_tab == "past":
@@ -303,7 +317,7 @@ class ContestList(
 
         context["current_count"] = self._get_current_contests_queryset().count()
         context["future_count"] = self._get_future_contests_queryset().count()
-        context["active_count"] = self._get_active_participations_queryset().count()
+        context["active_count"] = len(self._get_active_participations_queryset())
 
         context["now"] = self._now
         context["first_page_href"] = "."
diff --git a/judge/views/organization.py b/judge/views/organization.py
index 56e13ee..54d6adb 100644
--- a/judge/views/organization.py
+++ b/judge/views/organization.py
@@ -238,33 +238,87 @@ class OrganizationHomeView(OrganizationMixin):
         return context
 
 
-class OrganizationList(TitleMixin, ListView, OrganizationBase):
+class OrganizationList(
+    QueryStringSortMixin, DiggPaginatorMixin, TitleMixin, ListView, OrganizationBase
+):
     model = Organization
     context_object_name = "organizations"
     template_name = "organization/list.html"
     title = gettext_lazy("Groups")
+    paginate_by = 12
+    all_sorts = frozenset(("name", "member_count"))
+    default_desc = frozenset(("name", "member_count"))
 
-    def get_queryset(self):
-        return (
+    def get_default_sort_order(self, request):
+        return "-member_count"
+
+    def get(self, request, *args, **kwargs):
+        default_tab = "mine"
+        if not self.request.user.is_authenticated:
+            default_tab = "public"
+        self.current_tab = self.request.GET.get("tab", default_tab)
+        self.organization_query = request.GET.get("organization", "")
+
+        return super(OrganizationList, self).get(request, *args, **kwargs)
+
+    def _get_queryset(self):
+        queryset = (
             super(OrganizationList, self)
             .get_queryset()
             .annotate(member_count=Count("member"))
             .defer("about")
         )
 
-    def get_context_data(self, **kwargs):
-        context = super(OrganizationList, self).get_context_data(**kwargs)
-        context["my_organizations"] = []
-        context["page_type"] = "organizations"
+        if self.organization_query:
+            queryset = queryset.filter(
+                Q(slug__icontains=self.organization_query)
+                | Q(name__icontains=self.organization_query)
+                | Q(short_name__icontains=self.organization_query)
+            )
+        return queryset
+
+    def get_queryset(self):
+        organization_list = self._get_queryset()
+
+        my_organizations = []
         if self.request.profile:
-            context["my_organizations"] = context["organizations"].filter(
+            my_organizations = organization_list.filter(
                 id__in=self.request.profile.organizations.values("id")
             )
-        other_organizations = context["organizations"].exclude(
-            id__in=context["my_organizations"]
-        )
-        context["open_organizations"] = other_organizations.filter(is_open=True)
-        context["private_organizations"] = other_organizations.filter(is_open=False)
+
+        if self.current_tab == "public":
+            queryset = organization_list.exclude(id__in=my_organizations).filter(
+                is_open=True
+            )
+        elif self.current_tab == "private":
+            queryset = organization_list.exclude(id__in=my_organizations).filter(
+                is_open=False
+            )
+        else:
+            queryset = my_organizations
+
+        if queryset:
+            queryset = queryset.order_by(self.order)
+        return queryset
+
+    def get_context_data(self, **kwargs):
+        context = super(OrganizationList, self).get_context_data(**kwargs)
+
+        context["first_page_href"] = "."
+        context["current_tab"] = self.current_tab
+        context["page_type"] = self.current_tab
+        context["organization_query"] = self.organization_query
+        context["selected_order"] = self.request.GET.get("order")
+        context["all_sort_options"] = [
+            ("name", _("Name (asc.)")),
+            ("-name", _("Name (desc.)")),
+            ("member_count", _("Member count (asc.)")),
+            ("-member_count", _("Member count (desc.)")),
+        ]
+
+        context.update(self.get_sort_context())
+        context.update(self.get_sort_paginate_context())
+
         return context
 
 
diff --git a/locale/vi/LC_MESSAGES/django.po b/locale/vi/LC_MESSAGES/django.po
index 978f23f..a6c4b1d 100644
--- a/locale/vi/LC_MESSAGES/django.po
+++ b/locale/vi/LC_MESSAGES/django.po
@@ -2,7 +2,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: lqdoj2\n"
 "Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2024-06-10 12:41+0700\n"
+"POT-Creation-Date: 2024-06-19 05:23+0700\n"
 "PO-Revision-Date: 2021-07-20 03:44\n"
 "Last-Translator: Icyene\n"
 "Language-Team: Vietnamese\n"
@@ -46,7 +46,7 @@ msgstr ""
 msgid "Recent"
 msgstr "Gần đây"
 
-#: chat_box/views.py:448 templates/base.html:197
+#: chat_box/views.py:448 templates/base.html:196
 #: templates/comments/content-list.html:72
 #: templates/contest/contest-list-tabs.html:6
 #: templates/contest/ranking-table.html:52 templates/course/left_sidebar.html:8
@@ -87,7 +87,7 @@ msgstr "Đăng ký không thành công"
 msgid "Login"
 msgstr "Đăng nhập"
 
-#: dmoj/urls.py:221 templates/base.html:119
+#: dmoj/urls.py:221 templates/base.html:118
 #: templates/course/left_sidebar.html:2
 #: templates/organization/org-left-sidebar.html:2
 msgid "Home"
@@ -126,7 +126,7 @@ msgstr ""
 msgid "Problem"
 msgstr "Bài tập"
 
-#: judge/admin/contest.py:183 templates/base.html:212
+#: judge/admin/contest.py:183 templates/base.html:211
 msgid "Settings"
 msgstr "Cài đặt"
 
@@ -197,7 +197,7 @@ msgstr "Tính toán lại kết quả"
 msgid "username"
 msgstr "tên đăng nhập"
 
-#: judge/admin/contest.py:540 templates/base.html:252
+#: judge/admin/contest.py:540 templates/base.html:251
 msgid "virtual"
 msgstr "ảo"
 
@@ -267,7 +267,7 @@ msgid "Limits"
 msgstr "Giới hạn"
 
 #: judge/admin/problem.py:232 judge/admin/submission.py:351
-#: templates/base.html:163 templates/stats/tab.html:4
+#: templates/base.html:162 templates/stats/tab.html:4
 #: templates/submission/list.html:346
 msgid "Language"
 msgstr "Ngôn ngữ"
@@ -427,9 +427,9 @@ msgstr[0] "%d bài nộp đã được tính điểm lại."
 msgid "Rescore the selected submissions"
 msgstr "Tính điểm lại cái bài nộp"
 
-#: judge/admin/submission.py:332 templates/contest/list.html:215
-#: templates/contest/list.html:257 templates/contest/list.html:294
-#: templates/contest/list.html:328 templates/notification/list.html:12
+#: judge/admin/submission.py:332 templates/contest/list.html:174
+#: templates/contest/list.html:216 templates/contest/list.html:253
+#: templates/contest/list.html:287 templates/notification/list.html:12
 #: templates/organization/requests/log.html:10
 #: templates/organization/requests/pending.html:20
 #: templates/problem/list.html:154
@@ -642,26 +642,18 @@ msgid "votes"
 msgstr "bình chọn"
 
 #: judge/models/bookmark.py:30
-#, fuzzy
-#| msgid "Bookmark"
 msgid "bookmark"
 msgstr "Lưu"
 
 #: judge/models/bookmark.py:31
-#, fuzzy
-#| msgid "Bookmark"
 msgid "bookmarks"
 msgstr "Lưu"
 
 #: judge/models/bookmark.py:52
-#, fuzzy
-#| msgid "Bookmark"
 msgid "make bookmark"
 msgstr "Lưu"
 
 #: judge/models/bookmark.py:53
-#, fuzzy
-#| msgid "Bookmark"
 msgid "make bookmarks"
 msgstr "Lưu"
 
@@ -686,8 +678,6 @@ msgid "comments"
 msgstr ""
 
 #: judge/models/comment.py:125
-#, fuzzy
-#| msgid "Editorial for {0}"
 msgid "Editorial for "
 msgstr "Hướng dẫn cho {0}"
 
@@ -1115,14 +1105,10 @@ msgid "same as format_data, but including frozen results"
 msgstr ""
 
 #: judge/models/contest.py:721
-#, fuzzy
-#| msgid "score"
 msgid "final score"
 msgstr "điểm"
 
 #: judge/models/contest.py:723
-#, fuzzy
-#| msgid "cumulative time"
 msgid "final cumulative time"
 msgstr "tổng thời gian"
 
@@ -1199,8 +1185,6 @@ msgstr ""
 "Chỉ dùng với format IOI mới. Các sub cách nhau bởi dấu phẩy. Ví dụ: 2, 3"
 
 #: judge/models/contest.py:848
-#, fuzzy
-#| msgid "frozen subtasks"
 msgid "hidden subtasks"
 msgstr "Đóng băng subtasks"
 
@@ -2808,8 +2792,8 @@ msgstr "Bạn phải giải ít nhất 1 bài trước khi được vote."
 msgid "You already voted."
 msgstr "Bạn đã vote."
 
-#: judge/views/comment.py:267 judge/views/organization.py:820
-#: judge/views/organization.py:970 judge/views/organization.py:1149
+#: judge/views/comment.py:267 judge/views/organization.py:872
+#: judge/views/organization.py:1022 judge/views/organization.py:1201
 msgid "Edited from site"
 msgstr "Chỉnh sửa từ web"
 
@@ -2834,156 +2818,156 @@ msgstr "Bạn phải giải ít nhất một bài trước khi được phép b
 msgid "Posted comment"
 msgstr "Bình luận đã đăng"
 
-#: judge/views/contests.py:125 judge/views/contests.py:457
-#: judge/views/contests.py:462 judge/views/contests.py:762
+#: judge/views/contests.py:125 judge/views/contests.py:463
+#: judge/views/contests.py:468 judge/views/contests.py:768
 msgid "No such contest"
 msgstr "Không có contest nào như vậy"
 
-#: judge/views/contests.py:126 judge/views/contests.py:458
+#: judge/views/contests.py:126 judge/views/contests.py:464
 #, python-format
 msgid "Could not find a contest with the key \"%s\"."
 msgstr "Không tìm thấy kỳ thi với mã \"%s\"."
 
-#: judge/views/contests.py:154 judge/views/contests.py:1549
-#: judge/views/stats.py:178 templates/contest/list.html:211
-#: templates/contest/list.html:253 templates/contest/list.html:290
-#: templates/contest/list.html:324
+#: judge/views/contests.py:154 judge/views/contests.py:1555
+#: judge/views/stats.py:178 templates/contest/list.html:170
+#: templates/contest/list.html:212 templates/contest/list.html:249
+#: templates/contest/list.html:283
 #: templates/organization/org-left-sidebar.html:5 templates/stats/site.html:21
 #: templates/user/user-bookmarks.html:19 templates/user/user-bookmarks.html:80
 msgid "Contests"
 msgstr "Kỳ thi"
 
-#: judge/views/contests.py:318
+#: judge/views/contests.py:324
 msgid "Start time (asc.)"
 msgstr "Thời gian bắt đầu (tăng)"
 
-#: judge/views/contests.py:319
+#: judge/views/contests.py:325
 msgid "Start time (desc.)"
 msgstr "Thời gian bắt đầu (giảm)"
 
-#: judge/views/contests.py:320
+#: judge/views/contests.py:326 judge/views/organization.py:311
 msgid "Name (asc.)"
 msgstr "Tên (tăng)"
 
-#: judge/views/contests.py:321
+#: judge/views/contests.py:327 judge/views/organization.py:312
 msgid "Name (desc.)"
 msgstr "Tên (giảm)"
 
-#: judge/views/contests.py:322
+#: judge/views/contests.py:328
 msgid "User count (asc.)"
 msgstr "Số lượng tham gia (tăng)"
 
-#: judge/views/contests.py:323
+#: judge/views/contests.py:329
 msgid "User count (desc.)"
 msgstr "Số lượng tham gia (giảm)"
 
-#: judge/views/contests.py:462
+#: judge/views/contests.py:468
 msgid "Could not find such contest."
 msgstr "Không tìm thấy kỳ thi nào như vậy."
 
-#: judge/views/contests.py:470
+#: judge/views/contests.py:476
 #, python-format
 msgid "Access to contest \"%s\" denied"
 msgstr "Truy cập tới kỳ thi \"%s\" bị từ chối"
 
-#: judge/views/contests.py:548
+#: judge/views/contests.py:554
 msgid "Clone Contest"
 msgstr "Nhân bản kỳ thi"
 
-#: judge/views/contests.py:640
+#: judge/views/contests.py:646
 msgid "Contest not ongoing"
 msgstr "Kỳ thi đang không diễn ra"
 
-#: judge/views/contests.py:641
+#: judge/views/contests.py:647
 #, python-format
 msgid "\"%s\" is not currently ongoing."
 msgstr "\"%s\" kỳ thi đang không diễn ra."
 
-#: judge/views/contests.py:654
+#: judge/views/contests.py:660
 msgid "Banned from joining"
 msgstr "Bị cấm tham gia"
 
-#: judge/views/contests.py:656
+#: judge/views/contests.py:662
 msgid ""
 "You have been declared persona non grata for this contest. You are "
 "permanently barred from joining this contest."
 msgstr "Bạn không được phép tham gia kỳ thi này."
 
-#: judge/views/contests.py:746
+#: judge/views/contests.py:752
 #, python-format
 msgid "Enter access code for \"%s\""
 msgstr "Nhập mật khẩu truy cập cho \"%s\""
 
-#: judge/views/contests.py:763
+#: judge/views/contests.py:769
 #, python-format
 msgid "You are not in contest \"%s\"."
 msgstr "Bạn không ở trong kỳ thi \"%s\"."
 
-#: judge/views/contests.py:786
+#: judge/views/contests.py:792
 msgid "ContestCalendar requires integer year and month"
 msgstr "Lịch thi yêu cầu giá trị cho năm và tháng là số nguyên"
 
-#: judge/views/contests.py:844
+#: judge/views/contests.py:850
 #, python-format
 msgid "Contests in %(month)s"
 msgstr "Các kỳ thi trong %(month)s"
 
-#: judge/views/contests.py:845
+#: judge/views/contests.py:851
 msgid "F Y"
 msgstr "F Y"
 
-#: judge/views/contests.py:905
+#: judge/views/contests.py:911
 #, python-format
 msgid "%s Statistics"
 msgstr "%s Thống kê"
 
-#: judge/views/contests.py:1231
+#: judge/views/contests.py:1237
 #, python-format
 msgid "%s Rankings"
 msgstr "%s Bảng điểm"
 
-#: judge/views/contests.py:1242
+#: judge/views/contests.py:1248
 msgid "???"
 msgstr "???"
 
-#: judge/views/contests.py:1269
+#: judge/views/contests.py:1275
 #, python-format
 msgid "Your participation in %s"
 msgstr "Lần tham gia trong %s"
 
-#: judge/views/contests.py:1270
+#: judge/views/contests.py:1276
 #, python-format
 msgid "%s's participation in %s"
 msgstr "Lần tham gia của %s trong %s"
 
-#: judge/views/contests.py:1284
+#: judge/views/contests.py:1290
 msgid "Live"
 msgstr "Trực tiếp"
 
-#: judge/views/contests.py:1302 templates/contest/contest-tabs.html:21
+#: judge/views/contests.py:1308 templates/contest/contest-tabs.html:21
 msgid "Participation"
 msgstr "Lần tham gia"
 
-#: judge/views/contests.py:1351
+#: judge/views/contests.py:1357
 #, python-format
 msgid "%s MOSS Results"
 msgstr "%s Kết quả MOSS"
 
-#: judge/views/contests.py:1387
+#: judge/views/contests.py:1393
 #, python-format
 msgid "Running MOSS for %s..."
 msgstr "Đang chạy MOSS cho %s..."
 
-#: judge/views/contests.py:1410
+#: judge/views/contests.py:1416
 #, python-format
 msgid "Contest tag: %s"
 msgstr "Nhãn kỳ thi: %s"
 
-#: judge/views/contests.py:1425 judge/views/ticket.py:67
+#: judge/views/contests.py:1431 judge/views/ticket.py:67
 msgid "Issue description"
 msgstr "Mô tả vấn đề"
 
-#: judge/views/contests.py:1468
+#: judge/views/contests.py:1474
 #, python-format
 msgid "New clarification for %s"
 msgstr "Thông báo mới cho %s"
@@ -3117,81 +3101,89 @@ msgstr "Không thể chỉnh sửa tổ chức"
 msgid "You are not allowed to edit this organization."
 msgstr "Bạn không được phép chỉnh sửa tổ chức này."
 
-#: judge/views/organization.py:201 judge/views/organization.py:345
+#: judge/views/organization.py:201 judge/views/organization.py:397
 msgid "Can't access organization"
 msgstr "Không thể truy cập nhóm"
 
-#: judge/views/organization.py:202 judge/views/organization.py:346
+#: judge/views/organization.py:202 judge/views/organization.py:398
 msgid "You are not allowed to access this organization."
 msgstr "Bạn không được phép chỉnh sửa tổ chức này."
 
 #: judge/views/organization.py:245 judge/views/stats.py:184
-#: templates/contest/list.html:118 templates/problem/list-base.html:90
+#: templates/contest/list.html:77 templates/problem/list-base.html:90
 #: templates/stats/site.html:33 templates/user/user-left-sidebar.html:4
 #: templates/user/user-list-tabs.html:6
 msgid "Groups"
 msgstr "Nhóm"
 
-#: judge/views/organization.py:352
+#: judge/views/organization.py:313
+msgid "Member count (asc.)"
+msgstr "Số lượng thành viên (tăng)"
+
+#: judge/views/organization.py:314
+msgid "Member count (desc.)"
+msgstr "Số lượng thành viên (giảm)"
+
+#: judge/views/organization.py:404
 #, python-format
 msgid "%s Members"
 msgstr "%s Thành viên"
 
-#: judge/views/organization.py:474
+#: judge/views/organization.py:526
 #, python-brace-format
 msgid "All submissions in <a href=\"{1}\">{0}</a>"
 msgstr "Bài nộp trong <a href=\"{1}\">{0}</a>"
 
-#: judge/views/organization.py:482 judge/views/submission.py:857
+#: judge/views/organization.py:534 judge/views/submission.py:857
 msgid "Submissions in"
 msgstr "Bài nộp trong"
 
-#: judge/views/organization.py:507 judge/views/organization.py:513
-#: judge/views/organization.py:520
+#: judge/views/organization.py:559 judge/views/organization.py:565
+#: judge/views/organization.py:572
 msgid "Joining group"
 msgstr "Tham gia nhóm"
 
-#: judge/views/organization.py:508
+#: judge/views/organization.py:560
 msgid "You are already in the group."
 msgstr "Bạn đã ở trong nhóm."
 
-#: judge/views/organization.py:513
+#: judge/views/organization.py:565
 msgid "This group is not open."
 msgstr "Nhóm này là nhóm kín."
 
-#: judge/views/organization.py:521
+#: judge/views/organization.py:573
 #, python-brace-format
 msgid "You may not be part of more than {count} public groups."
 msgstr "Bạn không thể tham gia nhiều hơn {count} nhóm công khai."
 
-#: judge/views/organization.py:537
+#: judge/views/organization.py:589
 msgid "Leaving group"
 msgstr "Rời nhóm"
 
-#: judge/views/organization.py:538
+#: judge/views/organization.py:590
 #, python-format
 msgid "You are not in \"%s\"."
 msgstr "Bạn không ở trong \"%s\"."
 
-#: judge/views/organization.py:564
+#: judge/views/organization.py:616
 #, python-format
 msgid "Request to join %s"
 msgstr "Đăng ký tham gia %s"
 
-#: judge/views/organization.py:594
+#: judge/views/organization.py:646
 msgid "Join request detail"
 msgstr "Chi tiết đơn đăng ký"
 
-#: judge/views/organization.py:636
+#: judge/views/organization.py:688
 msgid "Manage join requests"
 msgstr "Quản lý đơn đăng ký"
 
-#: judge/views/organization.py:640
+#: judge/views/organization.py:692
 #, python-format
 msgid "Managing join requests for %s"
 msgstr "Quản lý đơn đăng ký cho %s"
 
-#: judge/views/organization.py:680
+#: judge/views/organization.py:732
 #, python-format
 msgid ""
 "Your organization can only receive %d more members. You cannot approve %d "
@@ -3200,81 +3192,81 @@ msgstr ""
 "Tổ chức chỉ có thể chứa %d thành viên. Bạn không thể chấp thuận nhiều hơn %d "
 "người."
 
-#: judge/views/organization.py:698
+#: judge/views/organization.py:750
 #, python-format
 msgid "Approved %d user."
 msgid_plural "Approved %d users."
 msgstr[0] "Đã chấp thuận %d người."
 
-#: judge/views/organization.py:701
+#: judge/views/organization.py:753
 #, python-format
 msgid "Rejected %d user."
 msgid_plural "Rejected %d users."
 msgstr[0] "Đã từ chối %d người."
 
-#: judge/views/organization.py:741
+#: judge/views/organization.py:793
 #, python-format
 msgid "Add member for %s"
 msgstr "Thêm thành viên cho %s"
 
-#: judge/views/organization.py:753
+#: judge/views/organization.py:805
 #, fuzzy
 #| msgid "Edited from site"
 msgid "Added members from site"
 msgstr "Chỉnh sửa từ web"
 
-#: judge/views/organization.py:773 judge/views/organization.py:781
+#: judge/views/organization.py:825 judge/views/organization.py:833
 msgid "Can't kick user"
 msgstr "Không thể đuổi"
 
-#: judge/views/organization.py:774
+#: judge/views/organization.py:826
 msgid "The user you are trying to kick does not exist!"
 msgstr ""
 
-#: judge/views/organization.py:782
+#: judge/views/organization.py:834
 #, python-format
 msgid "The user you are trying to kick is not in organization: %s."
 msgstr ""
 
-#: judge/views/organization.py:803 judge/views/organization.py:959
+#: judge/views/organization.py:855 judge/views/organization.py:1011
 #, python-format
 msgid "Edit %s"
 msgstr "Chỉnh sửa %s"
 
-#: judge/views/organization.py:831 templates/organization/list.html:46
+#: judge/views/organization.py:883 templates/organization/search-form.html:19
 msgid "Create group"
 msgstr "Tạo nhóm"
 
-#: judge/views/organization.py:846
+#: judge/views/organization.py:898
 msgid "Exceeded limit"
 msgstr ""
 
-#: judge/views/organization.py:847
+#: judge/views/organization.py:899
 #, python-format
 msgid "You created too many groups. You can only create at most %d groups"
 msgstr ""
 
-#: judge/views/organization.py:852 judge/views/organization.py:877
-#: judge/views/organization.py:1050
+#: judge/views/organization.py:904 judge/views/organization.py:929
+#: judge/views/organization.py:1102
 msgid "Added from site"
 msgstr "Thêm từ web"
 
-#: judge/views/organization.py:868
+#: judge/views/organization.py:920
 #: templates/organization/org-right-sidebar.html:47
 msgid "Add contest"
 msgstr "Thêm kỳ thi"
 
-#: judge/views/organization.py:911 judge/views/organization.py:1100
+#: judge/views/organization.py:963 judge/views/organization.py:1152
 msgid "Permission denied"
 msgstr "Truy cập bị từ chối"
 
-#: judge/views/organization.py:912
+#: judge/views/organization.py:964
 #, fuzzy
 #| msgid "You are not allowed to edit this organization."
 msgid "You are not allowed to edit this contest"
 msgstr "Bạn không được phép chỉnh sửa tổ chức này."
 
-#: judge/views/organization.py:963 templates/blog/blog.html:31
+#: judge/views/organization.py:1015 templates/blog/blog.html:31
 #: templates/comments/content-list.html:53
 #: templates/comments/content-list.html:66
 #: templates/contest/contest-tabs.html:36 templates/contest/macros.html:14
@@ -3285,21 +3277,21 @@ msgstr "Bạn không được phép chỉnh sửa tổ chức này."
 msgid "Edit"
 msgstr "Chỉnh sửa"
 
-#: judge/views/organization.py:1039
+#: judge/views/organization.py:1091
 #, python-format
 msgid "Add blog for %s"
 msgstr "Thêm bài đăng cho %s"
 
-#: judge/views/organization.py:1101
+#: judge/views/organization.py:1153
 msgid "Not allowed to edit this blog"
 msgstr "Bạn không được phép chỉnh sửa bài đăng này."
 
-#: judge/views/organization.py:1133
+#: judge/views/organization.py:1185
 #, python-format
 msgid "Edit blog %s"
 msgstr "Chỉnh sửa %s"
 
-#: judge/views/organization.py:1180
+#: judge/views/organization.py:1232
 #, python-format
 msgid "Pending blogs in %s"
 msgstr "Bài đang đợi duyệt trong %s"
@@ -3774,66 +3766,66 @@ msgstr "Chỉnh sửa thông tin"
 msgid "Rejudge"
 msgstr "Chấm lại"
 
-#: templates/base.html:145
+#: templates/base.html:144
 msgid "Chat"
 msgstr "Chat"
 
-#: templates/base.html:155
+#: templates/base.html:154
 msgid "Notification"
 msgstr "Thông báo"
 
-#: templates/base.html:182
+#: templates/base.html:181
 msgid "Dark Mode"
 msgstr ""
 
-#: templates/base.html:193 templates/profile-table.html:3
+#: templates/base.html:192 templates/profile-table.html:3
 msgid "Profile"
 msgstr "Trang cá nhân"
 
-#: templates/base.html:202
+#: templates/base.html:201
 msgid "Internal"
 msgstr "Nội bộ"
 
-#: templates/base.html:205
+#: templates/base.html:204
 msgid "Stats"
 msgstr "Thống kê"
 
-#: templates/base.html:209 templates/user/user-tabs.html:11
+#: templates/base.html:208 templates/user/user-tabs.html:11
 msgid "Bookmarks"
 msgstr "Đã lưu"
 
-#: templates/base.html:216
+#: templates/base.html:215
 #, fuzzy
 #| msgid "Stop spectating"
 msgid "Stop impersonating"
 msgstr "Ngừng theo dõi"
 
-#: templates/base.html:221
+#: templates/base.html:220
 msgid "Log out"
 msgstr "Đăng xuất"
 
-#: templates/base.html:231
+#: templates/base.html:230
 #: templates/registration/password_reset_complete.html:4
 msgid "Log in"
 msgstr "Đăng nhập"
 
-#: templates/base.html:232
+#: templates/base.html:231
 msgid "Sign up"
 msgstr "Đăng ký"
 
-#: templates/base.html:246
+#: templates/base.html:245
 msgid "spectating"
 msgstr "đang theo dõi"
 
-#: templates/base.html:258 templates/contest/list.html:151
+#: templates/base.html:257 templates/contest/list.html:110
 msgid "In contest"
 msgstr "Trong kỳ thi"
 
-#: templates/base.html:260
+#: templates/base.html:259
 msgid "Out contest"
 msgstr "Ngoài kỳ thi"
 
-#: templates/base.html:267
+#: templates/base.html:266
 msgid "This site works best with JavaScript enabled."
 msgstr ""
 
@@ -4215,7 +4207,7 @@ msgstr "MOSS"
 msgid "Leave contest"
 msgstr "Rời kỳ thi"
 
-#: templates/contest/contest.html:43 templates/contest/list.html:156
+#: templates/contest/contest.html:43 templates/contest/list.html:115
 msgid "Virtual join"
 msgstr "Tham gia ảo"
 
@@ -4262,11 +4254,11 @@ msgstr "Rank"
 msgid "Name"
 msgstr "Tên"
 
-#: templates/contest/list.html:98 templates/contest/media-js.html:152
+#: templates/contest/list.html:57 templates/contest/media-js.html:152
 msgid "Are you sure you want to join?"
 msgstr "Bạn có chắc tham gia?"
 
-#: templates/contest/list.html:99
+#: templates/contest/list.html:58
 msgid ""
 "Joining a contest for the first time starts your timer, after which it "
 "becomes unstoppable."
@@ -4274,57 +4266,58 @@ msgstr ""
 "Tham gia kỳ thi lần đầu sẽ kích hoạt thời gian đếm ngược, không thể dừng lại "
 "sau đó."
 
-#: templates/contest/list.html:101 templates/contest/media-js.html:155
+#: templates/contest/list.html:60 templates/contest/media-js.html:155
 msgid "By joining in this contest, you will automatically leave contest"
 msgstr "Khi tham gia kỳ thi này, bạn sẽ tự động rời khỏi kỳ thi"
 
-#: templates/contest/list.html:162
+#: templates/contest/list.html:121
 msgid "Spectate"
 msgstr "Theo dõi"
 
-#: templates/contest/list.html:168 templates/organization/home.html:23
+#: templates/contest/list.html:127 templates/organization/home.html:23
+#: templates/organization/list.html:72
 msgid "Join"
 msgstr "Tham gia"
 
-#: templates/contest/list.html:178
+#: templates/contest/list.html:137
 msgid "Active"
 msgstr "Đang tham gia"
 
-#: templates/contest/list.html:186
+#: templates/contest/list.html:145
 msgid "Ongoing"
 msgstr "Đang diễn ra"
 
-#: templates/contest/list.html:193
+#: templates/contest/list.html:152
 msgid "Upcoming"
 msgstr "Sắp diễn ra"
 
-#: templates/contest/list.html:200
+#: templates/contest/list.html:159
 msgid "Past"
 msgstr "Đã diễn ra"
 
-#: templates/contest/list.html:221
+#: templates/contest/list.html:180
 #, python-format
 msgid "Window ends in %(countdown)s"
 msgstr "Cửa số thi còn %(countdown)s"
 
-#: templates/contest/list.html:224 templates/contest/list.html:262
+#: templates/contest/list.html:183 templates/contest/list.html:221
 #, python-format
 msgid "Ends in %(countdown)s"
 msgstr "Kết thúc trong %(countdown)s"
 
-#: templates/contest/list.html:244
+#: templates/contest/list.html:203
 msgid "There is no active contest at this time."
 msgstr "Không có kỳ thi nào đang tham gia."
 
-#: templates/contest/list.html:281
+#: templates/contest/list.html:240
 msgid "There is no ongoing contest at this time."
 msgstr "Không có kỳ thi nào đang diễn ra hiện tại."
 
-#: templates/contest/list.html:315
+#: templates/contest/list.html:274
 msgid "There is no scheduled contest at this time."
 msgstr "Không có kỳ thi nào được lên lịch hiện tại."
 
-#: templates/contest/list.html:347
+#: templates/contest/list.html:306
 msgid "There is no past contest."
 msgstr "Không có kỳ thi nào trong quá khứ."
 
@@ -4436,12 +4429,15 @@ msgstr "Đến"
 
 #: templates/contest/official-search-form.html:41
 #: templates/contest/search-form.html:22
+#: templates/organization/search-form.html:8
 msgid "Order by"
 msgstr "Sắp xếp theo"
 
 #: templates/contest/official-search-form.html:53
-#: templates/contest/search-form.html:33 templates/problem/search-form.html:95
-#: templates/submission/list.html:355 templates/ticket/list.html:250
+#: templates/contest/search-form.html:33
+#: templates/organization/search-form.html:20
+#: templates/problem/search-form.html:95 templates/submission/list.html:355
+#: templates/ticket/list.html:250
 msgid "Go"
 msgstr "Lọc"
 
@@ -4764,25 +4760,47 @@ msgstr "Bạn phải tham gia lại để được hiển thị trong bảng x
 msgid "You will have to request membership in order to join again."
 msgstr "Bạn phải đăng ký thành viên để được tham gia lại."
 
-#: templates/organization/home.html:28
+#: templates/organization/home.html:28 templates/organization/list.html:75
 msgid "Request membership"
 msgstr "Đăng ký thành viên"
 
-#: templates/organization/list.html:38
+#: templates/organization/list.html:37 templates/submission/list.html:382
+#: templates/submission/submission-list-tabs.html:6
+msgid "Mine"
+msgstr "Tôi"
+
+#: templates/organization/list.html:39
+msgid "Public"
+msgstr "Nhóm mở"
+
+#: templates/organization/list.html:40
+msgid "Private"
+msgstr "Nhóm kín"
+
+#: templates/organization/list.html:42 templates/user/import/index.html:105
+#: templates/user/user-left-sidebar.html:6 templates/user/user-list-tabs.html:8
+msgid "Import"
+msgstr ""
+
+#: templates/organization/list.html:65
 msgid "members"
 msgstr "thành viên"
 
-#: templates/organization/list.html:47
-msgid "My groups"
-msgstr "Nhóm của tôi"
+#: templates/organization/list.html:68
+msgid "View"
+msgstr "Xem"
 
-#: templates/organization/list.html:48
-msgid "Open groups"
-msgstr "Nhóm mở"
+#: templates/organization/list.html:91
+msgid "You have not joined any organization yet."
+msgstr "Bạn chưa tham gia nhóm nào."
 
-#: templates/organization/list.html:49
-msgid "Private groups"
-msgstr "Nhóm kín"
+#: templates/organization/list.html:99
+msgid "There is no public organization."
+msgstr "Không có nhóm mở nào"
+
+#: templates/organization/list.html:107
+msgid "There is no private organization."
+msgstr "Không có nhóm kín nào"
 
 #: templates/organization/org-left-sidebar.html:9
 msgid "Members"
@@ -4885,6 +4903,14 @@ msgstr "Chấp thuận"
 msgid "Rejected"
 msgstr "Từ chối"
 
+#: templates/organization/search-form.html:2
+msgid "Organization search"
+msgstr "Tìm kiếm nhóm"
+
+#: templates/organization/search-form.html:6
+msgid "Search organizations..."
+msgstr "Tìm kiếm nhóm"
+
 #: templates/organization/users-table.html:15
 msgid "Kick"
 msgstr "Đuổi"
@@ -5678,11 +5704,6 @@ msgstr "Bạn bị ngắt kết nối. Hãy làm mới để xem cập nhật m
 msgid "Total:"
 msgstr "Tổng:"
 
-#: templates/submission/list.html:382
-#: templates/submission/submission-list-tabs.html:6
-msgid "Mine"
-msgstr "Tôi"
-
 #: templates/submission/list.html:385
 #: templates/submission/submission-list-tabs.html:9
 msgid "Best"
@@ -6051,11 +6072,6 @@ msgstr "File người dùng"
 msgid "Sample"
 msgstr ""
 
-#: templates/user/import/index.html:105 templates/user/user-left-sidebar.html:6
-#: templates/user/user-list-tabs.html:8
-msgid "Import"
-msgstr ""
-
 #: templates/user/import/table_csv.html:9
 msgid "Organizations"
 msgstr "Tổ chức"
@@ -6241,6 +6257,15 @@ msgstr "Thông tin"
 msgid "Check all"
 msgstr "Chọn tất cả"
 
+#~ msgid "My groups"
+#~ msgstr "Nhóm của tôi"
+
+#~ msgid "Open groups"
+#~ msgstr "Nhóm mở"
+
+#~ msgid "Private groups"
+#~ msgstr "Nhóm kín"
+
 #~ msgid "Send message"
 #~ msgstr "Nhắn tin"
 
@@ -6526,9 +6551,6 @@ msgstr "Chọn tất cả"
 #~ msgid "Frozen"
 #~ msgstr "Đã đóng băng"
 
-#~ msgid "Show organizations"
-#~ msgstr "Hiển thị tổ chức"
-
 #~ msgid "Dislike"
 #~ msgstr "Không thích"
 
@@ -6620,9 +6642,6 @@ msgstr "Chọn tất cả"
 #~ msgid "New private contests"
 #~ msgstr "Kỳ thi riêng tư mới"
 
-#~ msgid "View all"
-#~ msgstr "Tất cả"
-
 #~ msgid "New private problems"
 #~ msgstr "Bài tập riêng tư mới"
 
diff --git a/locale/vi/LC_MESSAGES/dmoj-user.po b/locale/vi/LC_MESSAGES/dmoj-user.po
index 94d5264..683b675 100644
--- a/locale/vi/LC_MESSAGES/dmoj-user.po
+++ b/locale/vi/LC_MESSAGES/dmoj-user.po
@@ -24,9 +24,6 @@ msgstr "Giới thiệu"
 msgid "Status"
 msgstr "Máy chấm"
 
-msgid "Courses"
-msgstr "Khóa học"
-
 msgid "Suggestions"
 msgstr "Đề xuất ý tưởng"
 
@@ -42,9 +39,6 @@ msgstr "Đăng ký tên"
 msgid "Report"
 msgstr "Báo cáo tiêu cực"
 
-msgid "Bug Report"
-msgstr "Báo cáo lỗi"
-
 msgid "2sat"
 msgstr ""
 
@@ -600,6 +594,12 @@ msgstr ""
 msgid "z-function"
 msgstr ""
 
+#~ msgid "Courses"
+#~ msgstr "Khóa học"
+
+#~ msgid "Bug Report"
+#~ msgstr "Báo cáo lỗi"
+
 #~ msgid "Insert Image"
 #~ msgstr "Chèn hình ảnh"
 
diff --git a/resources/base.scss b/resources/base.scss
index 7dc8152..79452fc 100644
--- a/resources/base.scss
+++ b/resources/base.scss
@@ -791,6 +791,10 @@ noscript #noscript {
     background-color: bisque;
 }
 
+.background-royalblue {
+    background-color: royalblue !important;
+}
+
 .background-footer {
     color: #808080;
 }
diff --git a/resources/blog.scss b/resources/blog.scss
index 4efc0ae..1df8dc6 100644
--- a/resources/blog.scss
+++ b/resources/blog.scss
@@ -134,7 +134,6 @@
     border-bottom: 1.4px solid lightgray;
     border-top: 1.4px solid lightgray;
     margin-bottom: 1.5em;
-    width: 90%;
     padding: 1em 1.25em 0.5em 1.25em;
     background-color: white;
     margin-left: auto;
@@ -275,6 +274,7 @@
     .right-sidebar {
         width: 100%;
         margin-left: auto;
+        margin-top: 2em;
     }
 
     .actionbar-box {
@@ -342,6 +342,7 @@
     .blog-sidebar,
     .right-sidebar {
         flex: 25%;
+        max-width: 25%;
     }
 
     .middle-content {
diff --git a/resources/common.js b/resources/common.js
index 386c244..e89061f 100644
--- a/resources/common.js
+++ b/resources/common.js
@@ -385,6 +385,47 @@ function activateBlogBoxOnClick() {
     });
 }
 
+function changeTabParameter(newTab) {
+  const url = new URL(window.location);
+  const searchParams = new URLSearchParams(url.search);
+  searchParams.set('tab', newTab);
+  searchParams.delete('page');
+  url.search = searchParams.toString();
+  return url.href;
+}
+
+function submitFormWithParams($form, method) {
+  const currentUrl = new URL(window.location.href);
+  const searchParams = new URLSearchParams(currentUrl.search);
+  const formData = $form.serialize();
+
+  const params = new URLSearchParams(formData);
+
+  if (searchParams.has('tab')) {
+    params.set('tab', searchParams.get('tab'));
+  }
+
+  const fullUrl = currentUrl.pathname + '?' + params.toString();
+
+  if (method === "GET") {
+    window.location.href = fullUrl;
+  }
+  else {
+    var $formToSubmit = $('<form>')
+      .attr('action', fullUrl)
+      .attr('method', 'POST')
+      .appendTo('body');
+
+    $formToSubmit.append($('<input>').attr({
+      type: 'hidden',
+      name: 'csrfmiddlewaretoken',
+      value: $.cookie('csrftoken')
+    }));
+
+    $formToSubmit.submit();
+  }
+}
+
 function onWindowReady() {
     // http://stackoverflow.com/a/1060034/1090657
     var hidden = 'hidden';
diff --git a/resources/darkmode.css b/resources/darkmode.css
index e7bd834..4e91e4d 100644
--- a/resources/darkmode.css
+++ b/resources/darkmode.css
@@ -1766,6 +1766,9 @@ noscript #noscript {
 .background-bisque {
     background-color: rgb(86, 47, 0);
 }
+.background-royalblue {
+    background-color: rgb(25, 58, 158) !important;
+}
 .background-footer {
     color: rgb(152, 143, 129);
 }
@@ -2769,6 +2772,10 @@ ul.errorlist {
     color: rgb(209, 205, 199);
     text-decoration-color: initial;
 }
+.link-row a {
+    color: inherit;
+    text-decoration-color: initial;
+}
 .link-row:hover {
     background-color: rgb(31, 31, 17);
     color: rgb(249, 146, 97);
@@ -3171,6 +3178,19 @@ a.voted {
     background-image: initial;
     color: rgb(232, 230, 227);
 }
+.organization-card {
+    background-color: rgb(24, 26, 27);
+    border-color: rgb(58, 62, 65);
+    box-shadow: rgba(0, 0, 0, 0.1) 0px 2px 4px;
+    color: inherit;
+    text-decoration-color: initial;
+}
+.organization-card:hover {
+    color: rgb(249, 146, 97);
+}
+.organization-card img.org-logo {
+    background-color: rgb(32, 35, 37);
+}
 .organization-row {
     border-bottom-color: rgb(62, 68, 70);
     border-top: none;
@@ -3179,16 +3199,13 @@ a.voted {
 .organization-row:hover {
     background-color: rgb(31, 33, 35);
 }
-.organization-container {
-    border-color: rgb(62, 68, 70);
-}
 .org-help-text {
     color: rgb(152, 143, 129);
 }
 .ticket-container #content > h2:first-child small {
     color: rgb(168, 160, 149);
 }
-.ticket-container #content > h2:first-child .fa-check-circle-o {
+.ticket-container #content > h2:first-child .fa-check-circle {
     color: rgb(86, 255, 86);
 }
 .ticket-container #content > h2:first-child .fa-exclamation-circle {
diff --git a/resources/organization.scss b/resources/organization.scss
index 0c806f3..4eb83db 100644
--- a/resources/organization.scss
+++ b/resources/organization.scss
@@ -1,3 +1,5 @@
+@import "vars";
+
 .leave-organization, .leave-organization:hover {
     color: red;
 }
@@ -28,6 +30,79 @@
     display: contents;
 }
 
+.organization-container {
+    display: flex;
+    flex-wrap: wrap;
+    gap: 1em;
+    justify-content: flex-start;
+    width: 100%;
+    box-sizing: border-box;
+    margin-bottom: 1em;
+}
+
+.organization-card {
+    background-color: #fff;
+    border: 1px solid #ddd;
+    border-radius: 8px;
+    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
+    text-align: center;
+    padding: 1em;
+    transition: transform 0.3s;
+    box-sizing: border-box;
+    display: flex;
+    flex-direction: column;
+    justify-content: space-between;
+    height: 300px;
+    margin-bottom: 1em;
+    text-decoration: none;
+    color: inherit;
+
+    &:hover {
+        transform: translateY(-5px);
+        color: $theme_color;
+    }
+
+    img.org-logo {
+        width: 100%;
+        border-radius: 8px 8px 0 0;
+        object-fit: contain;
+        object-position: center;
+        flex-shrink: 0;
+        background-color: #f0f0f0;
+    }
+
+    .org-details {
+        padding: 1em 0;
+
+        span {
+            display: block;
+            margin-bottom: 0.5em;
+        }
+    }
+}
+
+@media(min-width: 800px) {
+    .organization-card {
+        flex: 1 1 calc(33.33% - 1em);
+        max-width: calc(33.33% - 1em);
+
+        img.org-logo {
+            height: 150px;
+        }
+    }
+}
+
+@media(max-width: 799px) {
+    .organization-card {
+        flex: 1 1 calc(50% - 1em);
+        max-width: calc(50% - 1em);
+
+        img.org-logo {
+            height: 120px;
+        }
+    }
+}
+
 .organization-row {
     display: block;
     padding: 0.5em;
@@ -37,19 +112,18 @@
     font-weight: 500;
     display: flex;
     align-items: center;
-}
 
-.organization-row:hover {
-    background-color: #f3f3f3;
-}
-
-.organization-container {
-    border: 1px #ccc solid;
-    margin-bottom: 3em;
-    border-radius: 5px;
+    &:hover {
+        background-color: #f3f3f3;
+    }
 }
 
 .org-help-text {
     display: block;
     color: gray;
 }
+
+#search-organization {
+    width: 100%;
+    height: 2.3em;
+}
diff --git a/resources/ticket.scss b/resources/ticket.scss
index 092c1a1..5109531 100644
--- a/resources/ticket.scss
+++ b/resources/ticket.scss
@@ -10,7 +10,7 @@
         display: inline;
     }
 
-    #content > h2:first-child .fa-check-circle-o {
+    #content > h2:first-child .fa-check-circle {
         color: #00a900;
     }
 
diff --git a/templates/contest/list.html b/templates/contest/list.html
index ab7db0b..c7a0995 100644
--- a/templates/contest/list.html
+++ b/templates/contest/list.html
@@ -33,47 +33,6 @@
 
 {% block three_col_js %}
   <script type="text/javascript">
-    function changeTabParameter(newTab) {
-      const url = new URL(window.location);
-      const searchParams = new URLSearchParams(url.search);
-      searchParams.set('tab', newTab);
-      searchParams.delete('page');
-      url.search = searchParams.toString();
-      return url.href;
-    }
-
-    function submitFormWithParams($form, method) {
-      const currentUrl = new URL(window.location.href);
-      const searchParams = new URLSearchParams(currentUrl.search);
-      const formData = $form.serialize();
-
-      const params = new URLSearchParams(formData);
-
-      if (searchParams.has('tab')) {
-        params.set('tab', searchParams.get('tab'));
-      }
-
-      const fullUrl = currentUrl.pathname + '?' + params.toString();
-
-      if (method === "GET") {
-        window.location.href = fullUrl;
-      }
-      else {
-        var $formToSubmit = $('<form>')
-          .attr('action', fullUrl)
-          .attr('method', 'POST')
-          .appendTo('body');
-
-        $formToSubmit.append($('<input>').attr({
-          type: 'hidden',
-          name: 'csrfmiddlewaretoken',
-          value: $.cookie('csrftoken')
-        }));
-
-        $formToSubmit.submit();
-      }
-    }
-
     $(document).ready(function () {
       $('#active-url').attr('href', changeTabParameter('active'));
       $('#current-url').attr('href', changeTabParameter('current'));
diff --git a/templates/course/left_sidebar.html b/templates/course/left_sidebar.html
index b129b34..77955f7 100644
--- a/templates/course/left_sidebar.html
+++ b/templates/course/left_sidebar.html
@@ -2,7 +2,7 @@
   {{ make_tab_item('home', 'fa fa-home', course.get_absolute_url(), _('Home')) }}
   {% if is_editable %}
     {{ make_tab_item('edit_lesson', 'fa fa-edit', url('edit_course_lessons', course.slug), _('Edit lessons')) }}
-    {{ make_tab_item('grades', 'fa fa-check-square-o', url('course_grades', course.slug), _('Grades')) }}
+    {{ make_tab_item('grades', 'fa fa-check-square', url('course_grades', course.slug), _('Grades')) }}
   {% endif %}
   {% if perms.judge.change_course %}
     {{ make_tab_item('admin', 'fa fa-edit', url('admin:judge_course_change', course.id), _('Admin'), force_new_page=True) }}
diff --git a/templates/organization/list.html b/templates/organization/list.html
index aeed914..8d6108e 100644
--- a/templates/organization/list.html
+++ b/templates/organization/list.html
@@ -1,50 +1,110 @@
-{% extends "two-column-content.html" %}
+{% extends "three-column-content.html" %}
 
-{% block two_col_media %}
-  <style>
-    .organization-container {
-      border-bottom: none;
-    }
-    .org-logo {
-      height: 2em;
-      width: 2em;
-      margin-right: 1em;
-      margin-left: 0.5em;
-    }
-    .toggle {
-      cursor: pointer;
-    }
-  </style>
+{% block three_col_js %}
+  <script type="text/javascript">
+    $(document).ready(function () {
+      $('#mine-tab').attr('href', changeTabParameter('mine'));
+      $('#public-tab').attr('href', changeTabParameter('public'));
+      $('#private-tab').attr('href', changeTabParameter('private'));
+
+      var $form = $('form#filter-form');
+
+      $('#go').click(function() {
+        submitFormWithParams($form, "GET");
+      });
+
+      $form.on('keypress', function(e) {
+        if (e.key === 'Enter') {
+          e.preventDefault();
+        }
+      });
+
+      $('#search-organization').keypress(function (e) {
+        if (e.keyCode === 13) {
+          $('#go').click();
+        }
+      });
+
+      $('#order').select2();
+    });
+  </script>
+  {% block contest_list_js %}{% endblock %}
 {% endblock %}
 
-{% block title_ruler %}{% endblock %}
-
 {% block left_sidebar %}
-  {% include "user/user-left-sidebar.html" %}
+  <div class="left-sidebar">
+    {% if request.user.is_authenticated %}
+      {{ make_tab_item('mine', 'fa fa-user', request.path + '?tab=mine', _('Mine')) }}
+    {% endif %}
+    {{ make_tab_item('public', 'fa fa-globe', request.path + '?tab=public', _('Public')) }}
+    {{ make_tab_item('private', 'fa fa-lock', request.path + '?tab=private', _('Private')) }}
+    {% if request.user.is_superuser %}
+      {{ make_tab_item('import', 'fa fa-table', url('import_users'), _('Import'), force_new_page=True) }}
+    {% endif %}
+  </div>
 {% endblock %}
 
-{% macro org_list(title, queryset) %}
+{% block right_sidebar %}
+  <div class="right-sidebar">
+    {% include "organization/search-form.html" %}
+  </div>
+{% endblock %}
+
+{% macro org_list(queryset, tab) %}
   {% if queryset %}
-    <h3 style="padding-bottom: 1em" class="toggle open"><i class="fa fa-chevron-right fa-fw"></i> {{title}} ({{queryset.count()}})</h3>
-    <div class="organization-container toggled">
+    <div class="organization-container">
       {% for org in queryset %}
-        <a href="{{ org.get_absolute_url() }}" class="organization-row">
+        <div class="organization-card" style="cursor: pointer;" onclick="location.href='{{ org.get_absolute_url() }}';">
           {% if org.logo_override_image %}
-            <img class="user-img org-logo" loading="lazy" src="{{ org.logo_override_image }}">
+            <img class="org-logo" loading="lazy" src="{{ org.logo_override_image }}">
           {% else %}
-            <img class="org-logo" loading="lazy" src="{{ static('icons/icon.svg') }}" onerror="{{static('icons/logo.svg')}}">
+            <img class="org-logo" loading="lazy" src="{{ static('icons/icon.svg') }}" onerror="this.onerror=null;this.src='{{ static('icons/logo.svg') }}';">
           {% endif %}
-          <span style="margin-right: auto">{{ org.name }}</span>
-          <span style="font-weight: normal"><i>{{ org.member_count }} {{_('members')}}</i></span>
-        </a>
+          <div class="org-details">
+            <span style="font-weight: bold;">{{ org.name }}</span>
+            <span style="margin-bottom: 0"><i>{{ org.member_count }} {{ _('members') }}</i></span>
+          </div>
+          {% if tab == 'mine' %}
+            <div class="background-royalblue button small">{{ _('View') }}</div>
+          {% elif tab == 'public' %}
+            <form method="post" action="{{ url('join_organization', org.id, org.slug) }}">
+              {% csrf_token %}
+              <input type="submit" style="width: 100%" class="background-royalblue button small" value="{{ _('Join') }}">
+            </form>
+          {% else %}
+            <a href="{{ url('request_organization', org.id, org.slug) }}" style="font-size: 15px;" class="background-royalblue button small">{{ _('Request membership') }}</a>
+          {% endif %}
+        </div>
       {% endfor %}
     </div>
+    {% if page_obj and page_obj.num_pages > 1 %}
+      {% include "list-pages.html" %}
+    {% endif %}
   {% endif %}
 {% endmacro %}
 
 {% block middle_content %}
-  <a style="float: right" class="button small" href="{{url('organization_add')}}">{{_("Create group")}}</a>
-  {{ org_list(_('My groups'), my_organizations) }}
-  {{ org_list(_('Open groups'), open_organizations) }}
-  {{ org_list(_('Private groups'), private_organizations) }}
-{% endblock %}
+  {% if current_tab == 'mine' %}
+    {% if organizations %}
+      {{ org_list(organizations, 'mine') }}
+    {% else %}
+      <i> {{ _('You have not joined any organization yet.') }} </i>
+    {% endif %}
+  {% endif %}
+
+  {% if current_tab == 'public' %}
+    {% if organizations %}
+      {{ org_list(organizations, 'public') }}
+    {% else %}
+      <i> {{ _('There is no public organization.') }} </i>
+    {% endif %}
+  {% endif %}
+
+  {% if current_tab == 'private' %}
+    {% if organizations %}
+      {{ org_list(organizations, 'private') }}
+    {% else %}
+      <i> {{ _('There is no private organization.') }} </i>
+    {% endif %}
+  {% endif %}
+{% endblock %}
\ No newline at end of file
diff --git a/templates/organization/search-form.html b/templates/organization/search-form.html
new file mode 100644
index 0000000..89a59e3
--- /dev/null
+++ b/templates/organization/search-form.html
@@ -0,0 +1,24 @@
+<div class="sidebox">
+  <h3 class="colored-text"><i class="fa fa-search"></i>{{ _('Organization search') }}</h3>
+  <div class="sidebox-content">
+    <form id="filter-form" method="GET">
+      <input id="search-organization" type="text" name="organization" value="{{ organization_query or '' }}"
+        placeholder="{{ _('Search organizations...') }}">
+      <div class="filter-form-group">
+        <label for="order" class="bold-text margin-label">{{ _('Order by') }}</label>
+        <select id="order" name="order" style="width: 100%">
+          <option value="">---</option>
+          {% for value, name in all_sort_options %}
+            <option value="{{value}}"{% if selected_order == value%} selected{% endif %}>
+              {{ name }}
+            </option>
+          {% endfor %}
+        </select>
+      </div>
+      <div class="form-submit-group">
+        <a class="button small" href="{{url('organization_add')}}">{{_("Create group")}}</a>
+        <a id="go" class="button small">{{ _('Go') }}</a>
+      </div>
+    </form>
+  </div>
+</div>
\ No newline at end of file
diff --git a/templates/problem/feed.html b/templates/problem/feed.html
index 3e414b4..ee0bfcf 100644
--- a/templates/problem/feed.html
+++ b/templates/problem/feed.html
@@ -7,7 +7,7 @@
 {% endblock %}
 
 {% block middle_content %}
-  <div class="tabs tabs-no-flex" style="width: 90%;margin-left: auto;margin-right: auto;">
+  <div class="tabs tabs-no-flex">
     <ul>
       <li class="{{'active' if feed_type=='for_you'}}">
         <a href="{{url('problem_feed')}}">{{_('FOR YOU')}}</a>
diff --git a/templates/submission/row.html b/templates/submission/row.html
index 4961d0d..1e3c361 100644
--- a/templates/submission/row.html
+++ b/templates/submission/row.html
@@ -58,7 +58,7 @@
     {% if not hide_contest_in_row and submission.contest_object_id %}
       <a href="{{ url('contest_view', submission.contest_object.key) }}"
         class="submission-contest">
-        <i title="{{ submission.contest_object.name }}" class="fa fa-dot-circle-o"></i>
+        <i title="{{ submission.contest_object.name }}" class="far fa-dot-circle"></i>
       </a>
     {% endif %}
   </div>
diff --git a/templates/ticket/list.html b/templates/ticket/list.html
index 16d1e8e..475687d 100644
--- a/templates/ticket/list.html
+++ b/templates/ticket/list.html
@@ -1,7 +1,7 @@
 {% extends "base.html" %}
 {% block media %}
   <style>
-    #ticket-list .fa-check-circle-o {
+    #ticket-list .fa-check-circle {
       color: #00a900;
     }
 
@@ -131,10 +131,10 @@
         if ($row.length) {
           var $status = $row.find('td').first().find('i');
           if (ticket.open) {
-            $status.removeClass('fa-check-circle-o').addClass('fa-exclamation-circle');
+            $status.removeClass('fa-check-circle').addClass('fa-exclamation-circle');
             notify('ticket', '{{ _('Reopened: ') }}' + ticket.title);
           } else {
-            $status.removeClass('fa-exclamation-circle').addClass('fa-check-circle-o');
+            $status.removeClass('fa-exclamation-circle').addClass('fa-check-circle');
             notify('ticket', '{{ _('Closed: ') }}' + ticket.title);
           }
         }
diff --git a/templates/ticket/row.html b/templates/ticket/row.html
index 5afebfe..65b5562 100644
--- a/templates/ticket/row.html
+++ b/templates/ticket/row.html
@@ -1,5 +1,5 @@
 <tr id="ticket-{{ ticket.id }}">
-  <td><i class="fa {% if ticket.is_open %}fa-exclamation-circle{% else %}fa-check-circle-o{% endif %}"></i></td>
+  <td><i class="fa {% if ticket.is_open %}fa-exclamation-circle{% else %}fa-check-circle{% endif %}"></i></td>
   <td>{{ ticket.id }}</td>
   <td><a href="{{ url('ticket', ticket.id) }}">{{ ticket.title }}</a></td>
   <td>{{ link_user(ticket.user) }}</td>
diff --git a/templates/ticket/ticket.html b/templates/ticket/ticket.html
index dad7b97..f5a2009 100644
--- a/templates/ticket/ticket.html
+++ b/templates/ticket/ticket.html
@@ -13,9 +13,9 @@
 
       function update_ticket_state(open) {
         if (open)
-        $status.removeClass('fa-check-circle-o').addClass('fa-exclamation-circle');
+        $status.removeClass('fa-check-circle').addClass('fa-exclamation-circle');
         else
-        $status.removeClass('fa-exclamation-circle').addClass('fa-check-circle-o');
+        $status.removeClass('fa-exclamation-circle').addClass('fa-check-circle');
         $('.close-ticket').toggle(open);
         $('.open-ticket').toggle(!open);
       }
@@ -144,7 +144,7 @@
 
 {% block content_title %}
   <span class="status">
-    <i class="fa {% if ticket.is_open %}fa-exclamation-circle{% else %}fa-check-circle-o{% endif %}"></i>
+    <i class="fa {% if ticket.is_open %}fa-exclamation-circle{% else %}fa-check-circle{% endif %}"></i>
   </span>
   <span class="title">{{ ticket.title }}</span><small>#{{ ticket.id }}</small>
 {% endblock %}