Electronic Control Unit - ECU

With one post listing the market's throttle bodies, it was obvious to follow with a round-up of ECUs. There is a wild bunch out there and I had to limit myself with some criteria. The two main topics for me are "free programming" and "universal use". You can find ECUs allowing to be tuned only by professionals or freely tunable ones but for specific engines only, as well as motorcycle, ATV, snowmobile or watersports specific ECUs ... those are not in my list. 
Megasquirt is the most popular DIY controller, you can even solder it yourself if you dare. I avoided its derivatives as they are all based on the same board. Nevertheless, the following round-up may not be complete, so if you know of any other brand, feel free to add a comment. Brand names are links (please report dead links).
Cheers.

AEM - Bosch - Canems - DTA - ECUmaster - Emerald - EMS - Haltech - KMS - Magneti-Marelli - MBE - Megasquirt - Motec - Omex - Perfect Power - Sybele - Trijekt - Weber - ...