Makes “in reply to” correctly link to the message on which “reply to <user>” was clicked. Makes it possible to reply from any status page.

Add smilies to replies on userscripts.org. The buttons add the selected smilie into the reply text area.

An advanced quick reply, quote and edit function for phpBB forums. You don't have to wait for loading another page to reply, quote or edit. You can do it now in the thread view.

The buttons add the tags into the reply area around the selected text.

Adds nested replies to every Twitter conversation thread.

Flickr Quoter adds a "quote" link to flickr discussions in groups, forums, and Flickr Mail, making it easier to quote people.

Takes last replies for you and puts them on your Twitter homepage

Adds a 'Reply' link to comments in the Blogger comment page, which can be used to quote comments.

Give comment forms on script pages the same style as those in the forum; and prevent the forms from hiding (like on the script pages) or overlapping page content (like on the forums) if Javascript is disabled by hiding them until you hover over them.

A fairly basic quick reply function that should work for all phpBB forums with the standard theme installed

Hides all user comment text on 4chan.org, but retains image replies.

Adds (reply) under buddy icon in every comment in a flickr photo/group discussion. Clicking (reply) inserts into the reply html-code that displays the commenter's username and backlinks to the comment being replied to.

Add a "Reply" and "Forward" button to Gmail's interface. (Applies to lastest email thread only)

Adds a direct reply button to the topic list of phpBBs.