BRING FIREBUG BACK! NOW!
Eminye Imininingwane Yohlelo
- Adobe PDF Plug-In For Firefox and Netscape 15.23.20053
- Creative Cloud Desktop Plugin.v_3_0_0_0
- NPRuntime Script Plug-in Library for Java(TM) Deploy
- Next Generation Java Plug-in 11.121.2 for Mozilla browsers
- Shockwave Flash 24.0 r0
- Unity Player 5.3.3f1
- VLC media player Web Plugin
- I-ejenti Engumsebenzisi: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:51.0) Gecko/20100101 Firefox/51.0
Unless somebody else takes it over those who worked on it have discontinued it.
It may not seem apparent but the vast majority of Extensions being hosted on addons.mozilla.org are made by a third-party author(s) or company.
A Mozilla made Extension would have say Mozilla or Mozilla Labs as the author for example. https://addons.mozilla.org/firefox/user/mozilla-labs5133025/ https://addons.mozilla.org/firefox/user/mozilla/