Tumblr Post, Added: March 22, 2010
Lets you post photos, videos, mp3s, quotes and links to your Tumblr tumblelogs by dragging and dropping content onto the extension's statusbar icon or by the "Post to my tumblelog" menu items in the content's context menu.
See also
July 27, 2010
A clean, easy to use and highly extensible Internet Relay Chat (IRC) client.
July 04, 2010
Use ActiveInbox for Getting Things Done (GTD) with Gmail & Google Apps.
www.activeinboxhq.com
June 15, 2010
Post to Twitter from your address bar.
June 06, 2010
Log on a bbs through telnet in Firefox !
May 07, 2010
An extension to silently generate a TinyURL for your current page at the click of a button.