There are 114 repositories under firmware topic.
Alternative firmware for ESP8266 and ESP32 based devices with easy configuration using webUI, OTA updates, automation using timers or rules, expandability and entirely local control over MQTT, HTTP, Serial or KNX. Full documentation at
Marlin is an optimized firmware for RepRap 3D printers based on the Arduino platform. | Many commercial 3D printers come with Marlin installed. Check with your vendor if you need source code for your specific machine.
How to be low-level programmer
Lua based interactive firmware for ESP8266, ESP8285 and ESP32
Enhanced version of Asus's router firmware (Asuswrt) (legacy code base)
Flipper Zero Unleashed Firmware
Flipper Zero firmware source code
Third party firmware for Asus routers (newer codebase)
OpenSK is an open-source implementation for security keys written in Rust that supports both FIDO U2F and FIDO2 standards.
Unofficial Galaxy Buds Manager for Windows and Linux
Mongoose OS - an IoT Firmware Development Framework. Supported microcontrollers: ESP32, ESP8266, CC3220, CC3200, STM32F4, STM32L4, STM32F7. Amazon AWS IoT, Microsoft Azure, Google IoT Core integrated. Code in C or JavaScript.
Heimdall is a cross-platform open-source tool suite used to flash firmware (aka ROMs) onto Samsung Galaxy devices.
The C-based Firmware Patching Framework for Broadcom/Cypress WiFi Chips that enables Monitor Mode, Frame Injection and much more
A Curated list of IoT Security Resources
A suite of WiFi/Bluetooth offensive and defensive tools for the ESP32
Arduino/ESP32 based DIY VR Haptic gloves. Compatible with SteamVR via OpenGloves.
FW for ESP8266/ESP8285/ESP32 used with 3D printer
OFRAK: unpack, modify, and repack binaries.
New Custom Firmware for Xiaomi Cameras based on Hi3518e Chipset. It features RTSP, SSH, FTP and more!
This is optimized firmware for Ender3 V2/S1 3D printers.
A minimal Linux that runs as a coreboot or LinuxBoot ROM payload to provide a secure, flexible boot environment for laptops and servers.
A curated list of awesome embedded and IoT security resources.
Root shell exploit for several Xiaomi routers: 4A Gigabit, 4A 100M, 4, 4C, 3Gv2, 4Q, miWifi 3C...
:lock: Trezor Firmware Monorepo