Simple yet powerful HTML pre-processor from the mid-1990s, originally maintained at SourceForge

Open source AI coding agent. Designed for large projects and real world tasks.

"Pre-Owned" malware in ROM for AllWinner H616/H618 & RockChip RK3328 Android TV Boxes

PCRE2 development is based here.

A real-time memory trace visualizer using valgrind

The undo history visualizer for VIM

re1, the unbloated regexp engine by Russ Cox, elaborated to be useful for real-world applications

The CMU Link Grammar natural language parser

A free open source content management system and web application framework. The most widely deployed mod_perl application on the planet.