ArduPlane, ArduCopter, ArduRover, ArduSub source

openpilot is an operating system for robotics. Currently, it upgrades the driver assistance system on 300+ supported cars.

ESP32/ESP8285-based High-Performance Radio Link for RC applications

Cross platform configuration tool for the Betaflight firmware

Open Source Flight Controller Firmware

GoPro Labs

EdgeTX is the cutting edge open source firmware for your R/C radio

INAV: Navigation-enabled flight control software

KissUltra GUI

OpenTX custom firmware for Transmitters

Open Source FPV Drone Frame

FreedomTX custom firmware for Transmitters

BLHeli for brushless ESC firmware

TBD

Kiss Keychain Configurator

FETtec ESC Firmware repository

BLHeli for brushless ESC firmware

Open source video transmitter firmware for FPV

A small program that takes a 4:3 aspect ratio video file, and transforms it to a 16:9 video using the GoPro SuperView method

Kiss GUI

Cross-platform application for BLHeli firmware flashing and configuration

Kiss FC v2 firmware releases

Python Bluetooth controller for GoPro cameras with BLE connection

Multiplatform standalone Kiss GUI

ImpulseOSD - Official Documentation

Kiss Lua configuration script for taranis

Mode 2 - Ghost 3

Mode 2 - Ghost Frame