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Top TYPECHECKER GitHub Repositories & Tools (2026)

Discover the most starred and trending open source tools tagged with #typechecker.

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4 matching projects · updated Sep 28, 2026 How we rank ↗

#1 TRENDING microsoft/TypeScript Go 2014

TypeScript is a superset of JavaScript that compiles to clean JavaScript output.

◇ javascript ◇ language ◇ typechecker ◇ typescript

15.1K ↑ +3 today

#2 TRENDING facebook/pyrefly Rust NEW 2025

A fast type checker and language server for Python

◇ code-quality ◇ ide ◇ language-server ◇ language-server-protocol

522 ↑ +6 today

#3 TRENDING soutaro/steep Ruby 2017

Static type checker for Ruby

◇ ruby ◇ typechecker

119 ↑ +1 today

#4 TRENDING mesqueeb/is-what TypeScript 2018

JS type check (TypeScript supported) functions like `isPlainObject() isArray()` etc. A simple & small integration.

◇ check-type ◇ class-identifier ◇ class-instance ◇ define-type

19 ↑ +1 today

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