System Failure Collection

by Elginite00

7 Add-ons in this Collection

DownThemAll! by Nils Maier, Federico Parodi, others

Rated 5 out of 5 stars 1,625 reviews

1,354,593 users

The first and only download manager/accelerator built inside Firefox!

NetVideoHunter by netvideohunter

Rated 4 out of 5 stars 365 reviews

267,264 users

This add-on is a downloader that lets you easily download videos from sites like Youtube, Facebook, Metacafe, Dailymotion, Break, VKontakte and music for example from SoundCloud, Grooveshark and from many other sites...

Tab Mix Plus by onemen, Gary Reyes

Rated 4 out of 5 stars 2,547 reviews

906,675 users

Tab Mix Plus enhances Firefox's tab browsing capabilities. It includes such features as duplicating tabs, controlling tab focus, tab clicking options, undo closed tabs and windows, plus much more. It also includes a full-featured session manager.

Flagfox by Dave G

Rated 5 out of 5 stars 636 reviews

596,974 users

Displays a country flag depicting the location of the current website's server and provides a multitude of tools such as site safety checks, whois, translation, similar sites, validation, URL shortening, and more...

Xmarks Sync by Xmarks Inc.

Rated 4 out of 5 stars 2,526 reviews

312,254 users

Xmarks is the #1 bookmarking and open tab add-on. Keep your bookmarks, and open tabs backed up and synchronized across computers and browsers. Mobile phones with Premium access. Utilize LastPass to sync passwords!

Thunderbird Biff by David White

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Rated 4 out of 5 stars 39 reviews

5,358 users

This add-on provides a visual indicator of new Thunderbird mail availability in supported clients (Firefox, Sunbird) and Thunderbird itself. Note: you MUST install this add-on in BOTH Thunderbird and supported clients as there are both client AND ser...

gleeBox by Ankit Ahuja, Sameer Ahuja

Rated 5 out of 5 stars 4 reviews

19 users

gleeBox takes a keyboard-centric approach to navigating the web. It provides alternatives to actions that are traditionally performed via the mouse such as clicking, scrolling, selecting text fields, etc.

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