Focused crawls are collections of frequently-updated webcrawl data from narrow (as opposed to broad or wide) web crawls, often focused on a single domain or subdomain.
Checked C is an extension to C that adds checking to detect or prevent common programming errors such as buffer overruns and out-of-bounds memory accesses. This repo has a wiki for Checked C, sample code, the specification, and test code.
A mirror of the GNU Autoconf Archive, a collection of more than 500 macros for GNU Autoconf that have been contributed as free software by friendly supporters of the cause from all over the Internet.
A tiny C headeronly system library (Ansi C subset with addons), creating REALLY small statically linked binaries. 151 bytes for "Hello world", built with the gcc toolchain. BSD-Licensed.