cl-opossum
CL-Opossum is a Common Lisp implementation of a Parsing Expression Grammar parser generator. It boostraps itself. Memoization is supported. If you like cl-peg and metapeg but have seen their shortcomings, this is for you.

Homepage: http://primaldual.de/cl-opossum

Source repository: http://repo.or.cz/w/cl-opossum.git

License: LLGPL