Other tools

LBNF tools

LBNF for Sublime Text
Provides syntax highlighting for LBNF in Sublime Text.

Similar tools

Like BNFC for haskell but allows you to define your grammar in a .hs file using a quasi-quotter
From a grammar, ANTLR generates a Java parser that can build and walk parse trees.
BNF Parser Generator
Generate a C parser from a BNF like syntax
BNF for Java
Java implementation of Extended BNF
Powerful grammar formalism for natural language processing.