ANTLR - ANTLR, ANother Tool for Language Recognition, is a language tool that provides a framework for...

Ragel - Ragel compiles executable finite state machines from regular languages.

Owl parser generator - Efficient and understandable parser generator.

parboiled - Elegant PEG parsing in Java - lightweight, easy-to-use, powerful.

textX - textX is a meta-language for building Domain-Specific Languages (DSLs) in Python. It is inspired by Xtext. It will help you build your textual language easily. You can invent your own language or build a support for an existing textual language.

Better Uptime - We call you when your website goes down