Allows C source files to be directly executed as scripts (using #!), speeding development and simplifying maintenance.

A small and smart programming tool that supports software engineering under C in the subjects modularity, overview and navigation (for Windows 9x/NT/2000). By Ezer Programmings.

Check this site for a survey of source code comprehension tools (these show flow and/or relationships of function within the program in a graphical and/or text manner). Both free and commercial products are listed.

Convert C preprocessed source to Java.

An error detection tool for C/C++ that automatically finds hidden errors at the source code level.