Drone development

1. Your guide to all things drones
2. The Dronecode Foundation fosters communities and innovation through open-standards using open-source.
3. PX4 Development Guide
4. Leading drone control software
5. ESPcopter SDK (pdf)
6. DroneKit-Python’s documentation
7. MAVSDK is a collection of libraries for various programming languages to interface with MAVLink systems such as drones, cameras or ground systems
8. MAVLink Developer Guide
9. The ArduPilot Project 
10. ArduPilot - Copter Home
11. PX4 Autopilot User Guide