Why is re-upvoting not allowed for comments?
54812
Comment upvote, undo, and then re-upvote: why not?
49841
Cancelling upvote on comment?
24412
"Leave a comment" link even when you can't
15279
Implement a Selective Comment Ban
150951
How did a normal user vote to reopen a post after a mod?
61716
For protected questions, require local reputation to comment
111204
Voting and flagging comments gets enabled when loading additional comments in duplicate question
6193
Deleting a comment (mine) shouldn't count as a comment vote
110606
Can we get a comments only lock?
36073
@ symbol not allowed more than once on comments
9917
Reputation for comments?
87776
Allow voting on comments from Review interface
51806
Make it cost more to downvote without comment; make it hurt to leave a crap comment
70550
Cannot retract downvote if post has been edited within first 5 minutes of posting
63921
Issues with comment voting in the Stack Exchange Android app
23614
A method for the OP to accept comments?
15102
Why does reversing serial upvoting not reverse the Mortarboard badge?