JLex is a lexical analyzer generator for Java which uses a specification format similar to that of the unix tool lex. It is very stable, and works well with the CUP parser generator.
Open source project that offer summary and download services on this page is a project that carry out their development work on other open source development sites. Their work is linked to this page via a feature called OFI, and their work is not carried out here on OSDN site.