There are 147 repositories under firmware topic.
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.
Flipper Zero Unleashed Firmware
Flipper Zero firmware source code
How to be low-level programmer
Lua based interactive firmware for ESP8266, ESP8285 and ESP32
Your Gateway to Embedded Software Development Excellence :alien:
Enhanced version of Asus's router firmware (Asuswrt) (legacy code base)
Third party firmware for Asus routers (newer codebase)
A suite of WiFi/Bluetooth offensive and defensive tools for the ESP32
Unofficial Galaxy Buds Manager for Windows, macOS, and Linux
A comprehensive roadmap for aspiring Embedded Systems Engineers, featuring a curated list of learning resources.
Advanced firmware to add native Apple HomeKit and custom configurations, compatible with any SoC based on ESP32, ESP32-S, ESP32-C and ESP8266 series. (Shelly, Sonoff, Electrodragon, Tuya...)
A Curated list of IoT Security Resources
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.
This is optimized firmware for Ender3 V2/S1 3D printers.
🐬 Feature-rich, stable and customizable Flipper firmware
The C-based Firmware Patching Framework for Broadcom/Cypress WiFi Chips that enables Monitor Mode, Frame Injection and much more
Arduino/ESP32 based DIY VR Haptic gloves. Compatible with SteamVR via OpenGloves.
OFRAK: unpack, modify, and repack binaries.
FW for ESP8266/ESP8285/ESP32 used with 3D printer
A curated list of awesome embedded and IoT security resources.
Ubuntu 22.04 and 24.04 for Rockchip RK35XX Devices