Top GRAMMAR GitHub Repositories & Tools (2026)

Offline, privacy-first grammar checker. Fast, open-source, Rust-powered

Style and Grammar Checker for 25+ Languages

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

SystemVerilog 2017 Pre-processor, Parser, Elaborator, UHDM Compiler. Provides IEEE Design/TB C/C++ VPI and Python AST & UHDM APIs. Compiles on Linux gcc, Windows msys2-gcc & msvc, OsX

An open source cross-platform programming language focused on efficiency.

LL(k) and LALR(1) parser generator for Rust and C#

Scribe-iOS: Keyboards for language learners & Conjugate-iOS: Wikidata based verb conjugation app

📊 The concise and progressive visualization grammar.