rpg.fyi - forge | GitHub- A system agnostic, descriptive item generator for tabletop RPGs.

rpg.fyi - A currated list of tabletop RPG blogposts, articles, and videos. Updated daily.

Cosa - A simple webcrawler, written in Ruby, that generates a database of urls and their relations.

IA-DOC - A CSS/jQuery implementation of Jesse James Garrett's visual vocabulary for creating IA documents in raw HTML.