A reverse engineering suite (decompiler, editor, debugger and more)
A library for debugging android databases and shared preferences
ADP is a bare-bones Python Debugger
A cross platform dialog based ooRexx debugger
Aid in finding infinite loops in Java programs on production systems
GDBFrontend is an easy, flexible and extensible gui debugger
AVR simulator IDE
C/C++ function instrumentation (AOP, exception/stack tracing, GC)
Debugging tool for bug hunting and performance tuning on smartphones
Capturing screenshots, screen video, logcat, extract string ids
Annotation-triggered method call logging for your debug builds
PandaIDE for PHP is a lightweight IDE for PHP Debugging
A tool can debug and profile javascript in multi mobile browsers
Log file parser and viewer