INAV: Navigation-enabled flight control software
Flight Controller for ESP32 / Raspberry Pico / STM32
Paparazzi is a free and open-source hardware and software project for unmanned (air) vehicles. This is the main software repository.
A concise ChartPlotter/Navigator. A cross-platform ship-borne GUI application supporting * GPS/GPDS Postition Input * BSB Raster Chart Display * S57 Vector ENChart Display * AIS Input Decoding * Waypoint Autopilot Navigation
Firmament Autopilot Embedded System