Cannon Hack Development (CHDK) was initially created to allow features in Canon Cameras such as RAW image output to be available on cameras that came without them. Since then additional features have been added to CHDK that have made it more useful to many people. Some of these features are: scripting, high speed photography, 3d pictures, live histograms and many more. This talk will cover all the steps needed to create an SD card with the CHDK software and show some of the features that makes available. We'll also talk about some of the other free firmwares available such as 400plus, Spy Lantern and Magic Lantern.