"rustlr" LR(1) and LALR(1) parser generator by Chuck Liang. Tutorial to be made available at https://cs.hofstra.edu/~cscccl/rustlr_project/
This is the first release of the project. It has only been used for implmentating modestly scaled, experimental programming languages. If there's significant interest, it will be become more robust, with enhanced features, in future releases.