Discontinued Firefox Extensions

Discover best Discontinued Firefox softwares, apps and websites.

Best Discontinued Firefox Extensions

Firebug

Open Source

Firebug is a browser extension to debug web applications.
RapidShare

Commercial

RapidShare was an online file hosting service.
Adblock Edge

Open Source

Edge AdBlock allows you to block ads in the Microsoft Edge browser (Project Spartan).
Prism

Open Source

Prism is a simple XULRunner based browser that hosts web applications without the normal web browser user interface.
Lightspark

Open Source

Lightspark is a free and open-source SWF player released under the terms of the GNU Lesser General Public License (LGPL) version 3.
YoutubeConvert.TO is an online youtube conversion service.
Video2mp3

Freemium

Video2mp3 is a youtube to mp3 converter.
uBlock

Open Source

uBlock Origin is a free and open source, cross-platform browser extension for content-filtering, including ad-blocking.
Kifi

Free

Kifi creates a full-text index of every web page shared, making them easier to find in Slack, Google search.
Silverlight is a powerful development tool for creating engaging, interactive user experiences for Web and mobile applications.
Memonic

Freemium

Memonic is an online notetaking application that allows users to save and organize information while conducting research online and offline
Firefox Hello is a discontinued built-in video chat client for Firefox browser.
StratusBase

Free Personal

StratusBase is a cloud database builder.