Catalina is a C compiler plus a set of C libraries and device drivers for use with the Parallax Propeller microcontroller. Catalina is a cross-compiler based on the retargetable C compiler "lcc". Catalina runs on Windows or Linux.
This project has moved to https://github.com/jplevyak/dparser
The master on github is the stable. Please pull that for the very latest code.
DParser is a scannerless GLR parser generator based on the Tomita algorithm. It is self-hosted and very easy to use. Grammars are written in a natural style of EBNF and regular expressions and support both speculative and final actions.
The Language Machine is a toolkit for language and grammar: a library, main program, and self-hosted rule compilers with one frontend. The system is easy to use. It directly implements unrestricted rule-based grammars with actions and external interfaces.