Easy to use GUI for GDB
Aspect Oriented Programming (AOP) for Erlang
C library, that logs memory changes made by malloc and free.
Unified Test and Logging layer for multiple programming languages
Python script coding editor that debugs as you write
Superseded by http://www.ti.com/tool/msp430-gcc-opensource
GUI for using 'bdisetup' and configure Abatron's BDI debuggers