For C (and CPP obviously):
Include a fast and tiny RAM-tracing feature for Real-Time (RT) debugging purposes.
>> ONLY FOR DEBUGGING <<
Very much faster than printf-debugging, which may result in unforseen results in an RT environement.
PyDbgExt is a WinDbg extention which support use Python script in WinDbg command line. Through this extention, we can call some predefine Python script to control the debug session, or directly evaluate expression or call other method.
Java SWT and AWT port of Scintilla, a free source code editing component. Scintilla runs on Windows and Linux with GTK+. It is a rich text editing control that supports syntax styling, error indicators, code completion, call tips, etc.