A good history lesson in rendering engines: KHTML, WebKit, and now, Blink.
This is such a brilliant and empowering idea: an open-source object-oriented to electronics, like LEGO bricks for circuit-building.
Now this is what I call science hacking: building an open source fusion reactor.
A call-to-arms for web developers combined with a handy list of projects you can get involved in.
A free open source planetarium for your computer.
"We're done with the tired old fontstacks of yesteryear. Enough with the limitations of the web, we won't have it. It's time to raise our standards. Here, you'll find only the most well-made, free & open-source, @font-face ready fonts."
Magnolia's going Open Source. Soon you'll be able to host and run your own instance of the social bookmarking service.
Tantek talks about the importance of open media for the longevity of data.
This is the secret I've been keeping ever since I visited Six Apart a few weeks back: Movable Type is going open source.
This is just about one of the geekiest things I've ever seen. A crop circle of the Firefox logo. This is not Photoshopped.
An interesting looking lightweight framework for PHP.