Mozilla's Firefox was born during a time when Microsoft's Internet Explorer had grown so fat and lazy that hacking off a massive chunk of its market share was almost a moral duty, one with a built-in fan club. "Anything but IE" was the mantra.

Trademarks and free software can make a volatile mix. It is understandable that a project would want to ensure that code shipping under its name is "the real McCoy", but modifying the source and distributing the result is a hallmark of free software.

Mozilla has announced that its new Account Manager feature has graduated from being a Mozilla Labs project and that it will be included in a future release of its open source Firefox web browser

Google will soon make its VP8 video codec open source, we've learned from multiple sources. The company is scheduled to officially announce the release at its Google I/O developers conference next month, a source with knowledge of the announcement said.

Two related projects from Mozilla and Google, each with the similar goal of bringing hardware-accelerated 3D graphics to the Web, appear to be joining forces after a change in Google tactics.

The Mozilla developers have released the first beta for what will become version 3.1 of their popular open source email and news client, Thunderbird, code named "Lanikai"

«...XULRunner releases for 1.9.0, 1.9.1 and 1.9.2 branches (matching Firefox 3.0, 3.5 and 3.6 respectively) are available. The question now becomes “How long does Mozilla keep releasing older branches of XULRunner? ...»

Since last week's announcement of the YouTube and Vimeo beta versions which use HTML5's element, the Mozilla developers have been defending the fact that Firefox 3.6 cannot play the content on these betas even though it supports HTML5. The reason for the problem is that the HTML5 working groups decided not to specify which video codecs the tag would support.