github-linguist / linguist

Language Savant. If your repository's language is being reported incorrectly, send us a pull request!

antlr / grammars-v4

Grammars written for ANTLR v4; expectation that the grammars are free of actions.

yhirose / cpp-peglib

A single file C++ header-only PEG (Parsing Expression Grammars) library

bitjaru / styleseed

Open-source design-method engine for Claude Code, Codex & Cursor. 23 agent skills for fixed design judgment, multiple grammars, semantic palettes, reference compilation, and evidence-verified UI. MIT.

Chevrotain / chevrotain

Parser Building Toolkit for JavaScript

taocpp / PEGTL

Parsing Expression Grammar Template Library

microsoft / vscode-textmate

A library that helps tokenize text using Text Mate grammars.