Related Meta discussions in the sidebar
7142
Showing meta questions in the same manner as linked and related questions
82969
Display other SE site links in the linked questions sidebar
117963
Select and Display 'Suggested Tags' for All Posts Based on Related Questions (or other logic)
18137
How do users navigate to Meta?
115086
Is there any Stack Exchange site for discussing psychology?
82959
Can we have threaded comments?
124213
Do questions about specific StackOverflow implementation details belong on SO or Meta?
53950
List questions: Community Wiki?
24327
Bibliography with Metadata:
126175
PHP forums - how to cope with unread discussions / topics / posts
121458
Extend the new Hot Questions sidebar
56910
How can we reduce off-topic questions on meta?
98354
Adding magic link for Meta Stack Overflow?
69009
A guide to moderating chat
75130
getting posts and number by specific meta value in multiple meta
70650
Can you add a separate discussion site?
62553
Can we discuss topical news on Stack Exchange sites?