Free
BarryCarlyon Extension Tools
Comprehensive Twitch API Tool for Extensions
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Adguard
A Tool to Quickly and Easily Switch Between User Agent Strings
Get Google PageRank and Alexa ranking from every web
A free app for Windows.
Unveil hidden configuration settings in Firefox
Customize Your Browser with My Chrome Theme
Streamline Your Browsing with Timeline Remove
Enhance Your Browsing with Tab Kit
Enhance Your Twitter Experience with Social for Twitter
Sxipper: Free Add-on Tool for Windows Browsers
Streamline Your Browsing with Timeline Remove