HandBrake is an open-source, GPL-licensed, multiplatform, multithreaded video transcoder, available for MacOS X, Linux and Windows.
The idea for Premium Pixels came about after a fruitless search for a particular style of Photoshop brush. In the end, I made my own. Premium Pixels is where I share my design resources and I sometimes even throw in the odd tutorial for good measure.
Conrad Chu, Design Director at Ask.com, thought he needed an image compression tool better suited for designers and front-end developers (compared to smush.it) and scratched the itch with punypng.