ANTLR (ANother Tool for Language Recognition) is a powerful parser generator for reading, processing, executing, or translating structured text or binary files.
Grammars written for ANTLR v4; expectation that the grammars are free of actions.
An intellij plugin for ANTLR v4 in Intellij 12.1, 13.X
antlr v3 repository (pulled from p4 with history from //depot/code/antlr/antlr3-main
Python 3 runtime libraries for ANTLR 4
Python 2 runtime libraries for ANTLR 4
C++ target for ANTLR 4, including templates and runtime
Generic symbol table for lexically/statically scoped languages
The C# port of ANTLR 3, StringTemplate 3, and StringTemplate 4
AntlrWorks tool for ANTLR
An Objective-C port of StringTemplate v4
A mirror of ANTLR project repository