cloc counts blank lines, comment lines, and physical lines of source code in many programming languages.

Stack trace visualizer

Good-lookin' diffs. Actually… nah… The best-lookin' diffs. 🎉

The book documenting the curl project, the curl tool, libcurl and more. Simply put: everything curl.

**ack 2 is no longer being maintained. ack 3 is the latest version.**

Golang - Regular Expression Tutorial

Simple macro language extentions to systemtap

Utilities for nginx module development

shocco is a quick-and-dirty, literate-programming-style documentation generator for / in POSIX shell