PyPI97Exceptionalhealth index
Python★ 582↓ 1.6B/moSep 9, 2026
npm · crates.io · RubyGems94Exceptionalhealth index

facebook/flowAdds static typing to JavaScript to improve developer productivity and code quality.
Rust · JavaScript★ 22.3K↓ 74.9M/moSep 16, 2026
PyPI94Exceptionalhealth index

python/typingPython static typing home. Hosts the documentation and a user help forum.
Python★ 1,783↓ 4.3M/moSep 12, 2026
npm · Maven94Exceptionalhealth index
Java★ 1,981↓ 475K/moSep 11, 2026
npm92Excellenthealth index

pa11y/pa11yPa11y is your automated accessibility testing pal
JavaScript · HTML★ 4,566↓ 1.1M/moOct 2, 2026
PyPI90Excellenthealth index
Python★ 94Sep 10, 2026
npm · Go90Excellenthealth index

samchon/typiaSuper-fast/easy runtime validators and serializers via transformation
Go · TypeScript★ 5,878↓ 2.3M/moAug 28, 2026
npm89Excellenthealth index

JustinBeckwith/linkinatorBroken link checker that crawls websites and validates links. Find broken links, dead links, and invalid URLs in websites, documentation, and local files. Perfect for SEO audits and CI/CD.
TypeScript★ 1,269↓ 691.2K/moOct 3, 2026
npm88Excellenthealth index
TypeScript★ 818↓ 423.1K/moSep 12, 2026
npm86Excellenthealth index
TypeScript★ 201↓ 1.8M/moSep 10, 2026
npm86Excellenthealth index

w3c/echidnaNew publication workflow at W3C — main component
HTML · JavaScript★ 45Sep 13, 2026
npm83Excellenthealth index

xojs/xo❤️ JavaScript/TypeScript linter (ESLint wrapper) with great defaults
TypeScript★ 7,993↓ 629.3K/moAug 28, 2026
PyPI81Excellenthealth index
Python★ 3,455Sep 9, 2026
npm · Maven81Excellenthealth index
Java · TypeScript★ 45↓ 1,177/moSep 8, 2026
npm81Excellenthealth index
JavaScript★ 721↓ 740.6K/moOct 21, 2026
npm81Excellenthealth index
JavaScript★ 284↓ 1.8M/moAug 27, 2026

preflightsh/preflightPreflight is a Go-based CLI tool that scans a codebase and related configuration for launch readiness. It identifies missing configuration, integration issues with services, security hygiene concerns, SEO metadata gaps, and other common mistakes that affect production deploys.
Go★ 59Sep 12, 2026
Packagist73Goodhealth index
PHP★ 155↓ 463.8K/moSep 10, 2026
Packagist71Goodhealth index

nette/code-checker✅ A simple tool to check source code against a set of Nette coding standards.
PHP★ 88↓ 15.1K/moOct 12, 2026

quyxishi/whiteboxwhitebox is a Prometheus exporter that provides availability monitoring of external VPN services powered by VMESS, VLESS, TROJAN, WireGuard, AmneziaWG, Shadowsocks and Hysteria2.
Go★ 150Sep 17, 2026

3xp0rt/NaminterA Python package and command-line interface (CLI) tool for asynchronous OSINT username enumeration using the WhatsMyName dataset
Python★ 47↓ 733/moSep 10, 2026
Packagist67Goodhealth index
PHP★ 630↓ 1M/moSep 12, 2026
JavaScript★ 48↓ 792.5K/moOct 20, 2026
npm63Moderatehealth index
TypeScript★ 2↓ 3,829/moSep 10, 2026

fe3dback/go-arch-lintGoLang architecture linter (checker) tool. Will check all project import path and compare with arch rules defined in yml file. Useful for hexagonal / onion / ddd / mvc and other architectural patterns. Tool can by used in your CI
Go★ 596Oct 18, 2026
npm62Moderatehealth index

MetaMask/superstructA simple and composable way to validate data in JavaScript (and TypeScript). Forked by MetaMask to fix ESM compatibility.
TypeScript★ 3↓ 4.2M/moAug 27, 2026
Hex62Moderatehealth index

Oeditus/oeditus_credoCustom Credo checks for detecting common Elixir/Phoenix anti-patterns including N+1 queries, missing error handling, blocking operations, telemetry gaps, and more. Provides 20+ comprehensive static analysis checks to improve code quality.
Elixir★ 27↓ 7,803/moSep 9, 2026
npm56Moderatehealth index
TypeScript★ 6↓ 12.8K/moSep 28, 2026
Packagist56Moderatehealth index

peckphp/peckPeck is a powerful CLI tool designed to identify pure wording or spelling (grammar) mistakes in your codebase.
PHP★ 473↓ 71.8K/moOct 20, 2026
PyPI54Moderatehealth index
Python★ 293↓ 688.2K/moSep 10, 2026