ਐਡ-ਆਨ

(Sorry, no plans to port this add-on to Webextensions)
BBCodeXtra is an extension, compatible with Mozilla FireFox (up to 57) and Seamonkey, which adds to the context menu new commands to insert BBCode/Html/XHtml codes in an easy and fast way...

Monitor your provider's upload/download usage meter.
Not maintained anymore, looking for a developer, contact me if you're interested.