Werkzeuge (Beispiele)

Compiler (gcc/ecgs ProTcl Java...)
Bytecode Compiler
externe Bibliotheken (Tk, wx*, vtk, ACE...)
Debugger (gdb prodebug procheck...)
Editoren (emacs/xemacs vim...)
make configure xtags...
Scripting (perl bash...)
Literate Programming (cweb LaTeX...)
Graphik etc. (xfig GIMP netpbm...)
Datenbank (Informix, Adabas, grok etc.)
Versionskontrolle (CVS, RCS)