- BlueMicro_BLE - A Bluetooth Firmware for the NRF52832.
- Bluetosis - Bluetooth firmware for the Mitosis keyboard.
- EasyAVR - is a keyboard firmware and keymapper GUI for custom keyboards based on USB AVRs.
- Kaleidoscope - Flexible firmware for Arduino-powered keyboards.
- Keyplus - An easy to use keyboard firmware with support for wireless and wired split keyboards.
- KMK - is a feature-rich and beginner-friendly firmware for computer keyboards written and configured in CircuitPython.
- Mechy - Arduino compatible, plugin based.
- MK32 - Simple BLE keyboard for ESP32
- nrf52-keyboard - A ble keyboard firmware using nrf52810/52832
- QMK - A keyboard firmware based on the tmk_keyboard firmware for Atmel AVR and ARM controllers.
- TMK - Keyboard firmwares for Atmel AVR and Cortex-M.
- kbd-prettier - Automatically format your keyboard layout
- Keyboard Firmware Builder - Online QMK Firmware Builder (2+ years behind QMK firmware master)
- Q2K - A python based utility for parsing QMK Firmware keymaps to various outputs
- QMK Configurator - An open source configurator for QMK Firmware
- qmk_emote_macro_generator - Easily generate QMK macro/leader sequences for arbitrary unicode sequences.- Keyboard Firmware Builder - Online QMK Firmware Builder (2+ years behind QMK firmware master)
- TMK Firmware Builder - Online TMK Firmware Builder