Adblock Plus
Adblock Plus is a free extension that allows you to - among other things - block annoying ads, disable tracking and block domains known to spread malware.
Markdown document viewer. Allows to visualize formatted markdown documents in browser.
Markdown viewer : Firefox addon to view Markdown files.
firefox-extension firefox
Adblock Plus is a free extension that allows you to - among other things - block annoying ads, disable tracking and block domains known to spread malware.
Free Open Source Mac OS X Windows Linux iPhone BSD iPad Chrome OS Microsoft Edge
DuckDuckGo is an alternative search engine that has rich features, respects your privacy, and is built from free/open-source software. • Zero-click Info - Useful information above the links. • More Privacy - We do not track you.
Free Android iPhone Android Tablet iPad Web Chrome Vivaldi Browser Safari
Pencil is a standalone app or Firefox extension that lets you create diagrams or UI mockups. It doesn't have collaboration/multi-user features.
Free Open Source Mac OS X Windows Linux Firefox Electron / Atom Shell
mozilla add-ons is the official mozilla foundation website to act as a repository for add-ons for mozilla software, including mozilla firefox, thunderbird , seamonkey , and http://alternativein .
Free Open Source Web Sunbird Firefox Thunderbird SeaMonkey
Capture the whole page or any portion, annotate it with rectangles, circles, arrows, lines and text, one-click upload to share.
Freemium Mac OS X Windows Linux Web Chrome Firefox Safari
Tab Mix Plus enhances Firefox's tab browsing capabilities. It includes such features as duplicating tabs, controlling tab focus, tab clicking options, undo closed tabs and windows, plus much more.
Free Open Source Mac OS X Windows Linux Firefox
Reddit Enhancement Suite (RES) provides several add-ons to enhance your Reddit browsing experience - each of which is configurable.
Free Open Source Mac OS X Windows Linux Chrome Firefox Safari Opera Microsoft Edge
With the Firefox Extension "Add to Search Bar" you can add the search functionality of ANY page to the search box with 3 clicks (much quicker than with the extension Mycroft Project).
Free Open Source Mac OS X Windows Linux Firefox
Themes (formerly Personas) is a Firefox add-on that allows you to change the look of your browser with easy-to-install, easy-to-use themes. There are thousands of themes to choose from, with more added every day.
Free Open Source Mac OS X Windows Linux Firefox
Vimperator is a Firefox browser extension with strong inspiration from the Vim text editor, with a mind towards faster and more efficient browsing.
Free Open Source Mac OS X Windows Linux Web Firefox
TrackMeNot is a lightweight browser extension that helps protect web searchers from surveillance and data-profiling by search engines. It does so not by means of concealment or encryption (i.e.
Free Open Source Mac OS X Windows Linux Chrome Firefox