Configuration Mania allows you easily to configure various hidden preferences!

Configuration Mania allows you some preference, not comprehensive, but useful.

firefox-add-ons2 50 Recommended Firefox ExtensionsFirefox is the best web browsers available today. It’s Open-Source and a tribute to the many talented programmers and engineer’s whom have donated their time and work to make this browser the best it can be. What makes this browser top in it’s game? It’s the robust extension support, and over 1500 them available. With that many options, you can customize Mozilla to fit your needs.

We’ve pushed out Shareaholic v1.6! This release is a major update (hence the jump from v1.4.1 to v1.6), represents months of hard work, and should make a lot of you very happy as it incorporates lots of new features that you have been requesting!
* Shareaholic 1.6 adds support for 10 new services: Yahoo! Buzz
Improves support for:

As a web designer, over the years, I have found Firefox to be an indispensable tool for day-to-day designing work. Today I will share with you some of the amazing Firefox add-ons that I have tried at some point and found them useful. These are some of the best out there.

There’s a new preview release of the Mozilla Labs’ Ubiquity add-on available. “We’re currently working on Ubiquity 0.1.3, a release that improves Ubiquity’s responsiveness and adds skinning support. In preparation for this, I’ve just released the first Ubiquity 0.1.3 Release Candidate. Please feel free to download it — you’ll automatically be upgraded to each new release candidate as it becomes available, as well as the final 0.1.3 release.