How about Replicant: http://en.wikipedia.org/wiki/Replicant_(operating_system) I...

w1ntermute on Feb 18, 2014 | parent | context | favorite | on: KitKat will make your SD Card useless

How about Replicant: http://en.wikipedia.org/wiki/Replicant_(operating_system)

It's an entirely open source version of Android. SD card support is probably available already in Replicant. If not, you can easily add it back in yourself.

sbarre on Feb 18, 2014 [–]

Easily may be a matter of perspective here. But thanks for pointing that out!