“In many ways Firefox 3 is much more stable than anything else out there,” Mozilla Corp Vice President of Engineering Mike Schroepfer said in an interview.

Additions boost security and allow users to run Web sites when they are not connected to the Internet. Mozilla also says Firefox 3 uses less RAM than Firefox 2.
Engineers at [...]

Web Developer adds a menu and a toolbar with various web developer tools. It’s highly recommended for any Web Developer..

Some Options are :

Resize Firefox Window : See what your website looks like in 1024×768 or 800×600 at the click of a button
View HTTP Headers
View CSS Styles of page being viewed
CSS HACK : Modify CSS [...]

File size:
1,457 K

Download Time Estimate:
2 minutes @ 56K modem

Version:
9,0,115,0

Browser:
Firefox, Mozilla, Netscape, and Opera

Date Posted:
12/3/2007

Language:
English

Adobe Flash Player 9.0.115.0
Get It Now

I’ve been using Video Ook! Addon so far for downloading YouTubes and it has apparently stopped working.
UnPlug is another add-on for Firefox that allows us to download YouTube Videos.
UnPlug scans web pages and tells you where media players are getting their data from, and displays it as a simple hyperlink: in most cases, [...]

Release Date:
November 26, 2007

Security Issues Fixed in Firefox 2.0.0.10
MFSA 2007-39 Referer-spoofing via window.location race condition
MFSA 2007-38 Memory corruption vulnerabilities (rv:1.8.1.10)
MFSA 2007-37 jar: URI scheme XSS hazard

Mozilla has released the Firefox 3.0 beta 1, it is available for Windows, Linux and Mac. The release notes states it is currently for testing purposes and aimed at developers, not recommended for normal users. Firefox 3 Beta 1 is available in 20 languages

Firefox 3 has been built on top of this new platform resulting [...]