Additional protection for Firefox that allows blocking the use of JavaScript.

Add-on for Firefox that allows you to post to Twitter through the bar in the browser.
Extension that allows customization of the context menu of the right-click button in Google Chrome.

Add-on for Firefox that allows you to more easily access your bookmarks via thumbnails.
Web application that allows performing various data manipulation operations directly in the browser.
No more deviating from your obligations with this rigorous extension for Google Chrome.