Debugging and programming interfaces for Freescale microcontroller
Cross-platform IDE for developing embedded solutions and desktops
a self-contained development environment for embedded systems.
uIDE (Micro IDE) is a free, open-source IDE for GPUtils
BASIC-like language interpreter for embedded systems
Free real-time operating system designed for microcontrollers
State machine framework for reactive embedded systems
A Windows based GUI for popular avrdude command line utility
A system for programming LPC, STM32 and possible others devices.
Pinguino VB IDE
Modular CNC software for Arduino controller
SDK for the SARK-110 Antenna Analyzer
BitBurner AVR Programmer, a full and complete AVRdude GUI for Windows.
Simple AVR OS