Web Developer
A browser extension that adds various web developer tools to a browser.
Chrome: Version 0.4.2 (January 21, 2013)
Firefox: Version 1.2.2 (August 29, 2012)
User Agent Switcher
A browser extension that adds a menu and a toolbar button to switch the user agent of a browser.
Version 0.7.3 (January 4, 2011)
Random, yes. Useful, no.
A largely unfiltered list of the links that I send and receive each day with friends.