Elegant parsing in Java and Scala - lightweight, easy-to-use, powerful

JavaCC is a parser/scanner generator for java.

LALR Parser Generator in Java

LALR parser generator for Java.

A framework for constructing recognizers, compilers, and translators from grammatical descriptions containing Java, C#, C++, or Python actions.

FastParse is a Scala library for parsing strings and bytes into structured data. This lets you easily write a parser for any arbitrary textual data formats and have the parsers run at an acceptable speed, with great error debuggability and error ...

Elegant parsing in Java and Scala - lightweight, easy-to-use, powerful

JFlex is a lexical analyzer generator (also known as scanner generator) for Java™, written in Java.

Elegant parsing in Java and Scala - lightweight, easy-to-use, powerful

Java Lookahead Parser Generator. Generator produces LALR(k) parsers.