Remove lurkers by enforcing upvoting?
137734
Why doesn't Stack Overflow require registration?
60001
How can I post an answer with many links, or earn that privilege without being allowed to post such quality answers?
70550
Cannot retract downvote if post has been edited within first 5 minutes of posting
29560
Options to hide reputation information on Stack Overflow?
99891
Can we actually discourage downvotes?
142919
Is there a system in place to prevent new users asking, answering and accepting answers to each others' off-topic questions?
77659
Prevent upvotes for duplicates, or carry upvotes to master question
135838
Meta Stack Exchange should not penalize downvotes
23554
Enable the VLQ flag option on upvoted posts for users with good flagging history
22966
Penalise Downvotes without Comment / Reward Downvotes with Comments
59199
How do I remove a question I asked, when it has an upvoted answer?
119103
Allow downvoting comments
1941
How can I encourage Stack Overflow to rein in the 'subjective' vigilantes?
34339
Lower the amount of reputation needed to comment
16670
Removing a downvote adds reputation that wasn't there
50262
Please enable low-rep users to easily breakout up and down votes on their own questions
14969
Why do I require 15 reputation to just up-vote something?