Text Processing

A syntax highlighting package designed for use in text editors. The default implementation will produce colored HTML files from source files. It currently supports Java, C/C++, and HTML. [Open Source, GPL]

A Java API for providing text-checking functionality (spell checkers, grammar checkers, style checkers) to Java programs. [Open source, LGPL].

High-performance Java pattern matching (string searching) algorithms. Site has description and download option. [MIT License]