Aspect Oriented Programming (AOP) for Erlang
Debugger capable of attaching to and injecting code into python
Identifies if Linux program was created by Qt and version!
Static analyzer for Java bytecode
A library for monitoring the garbage collection of app objects
Unified Test and Logging layer for multiple programming languages
Python script coding editor that debugs as you write
A java-based interceptor for SSL/TLS protocol
A tiny and easy to use log system for C/C++
Superseded by http://www.ti.com/tool/msp430-gcc-opensource
Entex Adventure Vision emulator with debugging capabilities.
.Net Memory Profiler