Espressif IoT Development Framework
BizHawk is a multi-system emulator written in C#
Access serial ports with JavaScript. Linux, OSX and Windows
Capstone disassembly/disassembler framework
Open source framework simplifying the creation of C++ applications
Golang framework for robotics, drones, and the Internet of Things
Firmware development framework for ATmega/AVR
Lua based interactive firmware for ESP8266, ESP8285 and ESP32
IoT firmware development framework
Restore/upgrade firmware of iOS devices
The C-based Firmware Patching Framework for Broadcom/Cypress WiFi Chip
Automated Test Framework