linux syscall tracer
Firebird database server profiler and tracer
Source-to-source debuggable derivatives in pure Python
memory scanner for Linux
Linux source-level kernel debugger
HTTP Rake - a simple HTTP server for examining/testing HTTP requests
Capturing screenshots, screen video, logcat, extract string ids
A new, open source, extensible, platform-agnostic tool
GDB pretty printers for boost
An interpreter for the Lua language, written entirely in C#
C / C++ everything-memory debugger
Web debugging proxy based on Chrome DevTools network panel
XcodeColors allows you to use colors in the Xcode debugging console
An experimental BASIC language for Linux, Mac OS X, and Windows.
moved to http://sourceforge.net/projects/gdbx/