nygge/abnfc

An ABNF parser generator for Erlang.

mhulden/pyfoma

Python Finite-State Toolkit

frenetic-lang/frenetic

The Frenetic Programming Language and Runtime System

tree-sitter/tree-sitter-go

Go grammar for tree-sitter

aclements/go-misc

Miscellaneous Go hacks

starlight-go/starlight

a go wrapper for google's starlark embedded python language

johnsoncodehk/monogram

Define syntax once, generate lexer, parser, TextMate, tree-sitter

pmezard/go-difflib

Partial port of Python difflib package to Go