Open source STM32 MCU programming toolset
A Hardware Hacking Tool with Web-Based CLI That Speaks Every Protocol
IDAP-Link/M Software
CH347 Multi-Function Interface Demo Software
The Open On-Chip Debugger
Tethered Forth for MSP430 Microcontrollers
A family of Eclipse CDT extensions and tools for GNU ARM development.
IPDBG are free tools to debug intellectual properties (IP cores).
Timbre Imitation and Adaptation for Experimental Music Instruments
The GNU Toolchain for ADI's Blackfin and future processors
Superseded by http://www.ti.com/tool/msp430-gcc-opensource
C++ based debug interface to MSP430, MSP-FET430UIF needed
2wiglet - JTAG wiggler tool for 2Wire routers
GUI for using 'bdisetup' and configure Abatron's BDI debuggers