Shortwave Bookmarklet - Shortwave is an extensible quick-search and shortcut bookmark.
Random User-Agent - Automatically change the user agent after specified period of time to a randomly selected one, thus...
Shortwave - Email smarter & faster with a reinvented experience for your Gmail
User-Agent Switcher and Manager - spoofs browser's User-Agent string.
YubNub - YubNub is a networking web service with a command line–style interface.
30 Seconds of Knowledge - Become a better developer, in every new tab.