www.dd-wrt.com DD-WRT is a Linux based alternative OpenSource firmware suitable for a great variety of WLAN routers and embedded systems. The main emphasis lies on providing the easiest possible handling while at the same time supporting a great number of functionalities within the framework of the respective hardware platform used. By HarryManbackin Software > toolswith firmwareopensourcerouterwifiby 6 users
Magic Lantern "an enhancement atop of Canon's firmware that makes your 5D Mark II into the 5D Mark Free. …It is an open (GPL) framework for developing extensions to the official software, tailored for film making needs. It does not replace the existing firmware, but instead runs along side of it." By Xyzzyin Computers & Electronicswith camerascustomizationfirmwareprojectsby 2 users