LaTeX Reference Card Creator is a Makefile based build system for creating reference cards. LaTeX Reference Card Creator compiles content into PDF, DjVu, TEX DVI, HTML and PostScript output formats. A three column reference card will be created. Features include batch image format conversions, spell checking, broken link checking, automatic backups and .zip and .tar.gz distribution building.
LaTeX Reference Card Creator provides many LaTeX examples which can be used to make a reference card.