1 Platform Alternatives
1.1 Lego NXT Based
1.1.1 NXT AutoPilot
1.1.2 GeoCrawler 2
1.2 Ardunio Based
1.2.2 ArduPilot Pro
1.2.4 Quadrino
1.2.5 Arducopter
1.2.6 Mikroquad
1.2.7 Wash Uav
1.3 Paralax Basic Stamp
1.3.1 Basic Stamp Uav
1.3.2 GeoCrawler 4
1.4 Paralax Propeller
1.4.1 Octopilot
1.4.2 Oughttopilot
1.4.5 Atto Pilot
1.5 PIC Processor
1.5.1 UAV Development Board (Sparkfun)
1.5.2 UAV V2 Development Board (Sparkfun)
1.6 ARM7
1.6.1 Paparazzi
1.6.2 Ng UAVP(Quad)
1.6.3 Sparkfun Development Board
1.7 GUMStix
1.7.1 Heli AutoPilot
1.8 Mobile Phones , etc..
1.8.1 Nokia Symbian
1.8.2 Iphone
1.8.3 Windows Mobile
1.8.3.1 GeoCrawler 3
1.9 MIPS Based
1.9.1 U-Nav PicoPilot
1.9.1.1 GeoCrawler 1
1.9.2 U-Nav 3500
1.9.3 MicroPilot
1.10 Unknown Proc
1.10.1 Piccolo (Cloudcap Tech)
1.10.2 Kestrel Procerus
1.10.3 Albatros
1.10.4 Ezi-Nav
1.10.5 Rotomotion
1.11 GroundBased
1.11.1 Quadcopter
Replies
30x47mm not including GPS or FMA CoPilot, 4 PWM servo input/passthrough output plus one for mode control, 16MhZ Atmega168 main CPU, 6 analog inputs, 6 digital in/out, one serial port for GPS.
Also of the AttoPilot there are a few versions in the works with different capabilities.