Дополнения

Cycle Collector Analyzer, about:ccdump от Jan Odvarko

Display the graph created by cycle collector. Open "about:ccdump" page after the installation.

FlashResizer от flasresizerdeveloper

Makes Flash Movies/Games Resizable, and other enhancements.

Generic CSS Loader 2 от patrickjdempsey

A very basic CSS loader for Firefox. No fancy features, just an alternative to userChrome and userContent files.

Apps - All-in-one Internet Search (SSL & TLS) от Binary App Dev

Apps - The #1 Apps Search Add-on - Search: CNET Android, CNET iOS, iTunes, Google Play, Windows 10 Apps, Windows Phone Apps, Kindle Apps, Chrome Apps, Firefox Apps Binary App Dev (Encrypted & SSL suggestions)

Click-to-Play Manager от Jorge Villalobos

Manages the Click-to-Play domain whitelist.

IE Tab V2 от Paulo

Ported version of IE Tab V2 (Enhanced IE Tab) that is compatible with SeaMonkey 2. Based on IETab.net work.

Surrounding Mountains от Пользователь Firefox f4fcad