Orange Pi Zero
Orange Pi Zero is a single board computer available at very low price. It uses the AllWinner H2 SoC and only has 256MB/512MB DDR3 SDRAM.
See instructions on how to build your own FreedomBox by downloading and setting up on this hardware.
Stable
Latest of the two-year releases, gets updated with security fixes and some new (backported) features
Testing
Rolling release with all the latest features