BeagleBone Black/Green

• BBBmini (DIY $80, open)

Raspberry Pi Zero

• PXFmini (MSRP €69, open)
• MINI-Zee (DIY $100, open)

Raspberry Pi 1/2/3

• Navio2 (MSRP $168+, proprietary)
• PXFmini (MSRP €69, open)