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#checker

Every repository in the public record carrying this tag — from its GitHub topics or the keywords its package registries publish. Health is measured under the same versioned methodology as the rest of the record.

31 records
Tagged “checker”Ranked by health index
PyPI
96Exceptionalhealth index
python/typing_extensions
Backported and experimental type hints for Python
Python★ 577Jul 16, 2026
Custom licenseJul 16, 2026 · metrics 2.10.0
PyPI
93Exceptionalhealth index
python/typing
Python static typing home. Hosts the documentation and a user help forum.
Python★ 1,764Jul 21, 2026
Custom licenseJul 21, 2026 · metrics 2.10.0
npm · Maven
93Exceptionalhealth index
validator/validator
The Nu Html Checker (vnu)
Java★ 1,960↓ 460.6K/moJul 19, 2026
MITJul 19, 2026 · metrics 2.10.0
PyPI
91Excellenthealth index
jorenham/optype
Opinionated typing package for precise type hints in Python
Python★ 90Jul 18, 2026
BSD-3-ClauseJul 18, 2026 · metrics 2.10.0
npm · Go
90Excellenthealth index
samchon/typia
Super-fast/easy runtime validators and serializers via transformation
Go · TypeScript★ 5,878↓ 2.3M/moAug 28, 2026
MITAug 28, 2026 · metrics 2.10.0
npm
88Excellenthealth index
mightyiam/eslint-config-love
A TypeScript ESLint config that loves you
TypeScript★ 818↓ 466.6K/moJul 20, 2026
MITJul 20, 2026 · metrics 2.10.0
npm
87Excellenthealth index
w3c/echidna
New publication workflow at W3C — main component
HTML · JavaScript★ 45↓ 24/moJul 25, 2026
MITJul 25, 2026 · metrics 2.10.0
npm
83Excellenthealth index
xojs/xo
❤️ JavaScript/TypeScript linter (ESLint wrapper) with great defaults
TypeScript★ 7,993↓ 629.3K/moAug 28, 2026
MITAug 28, 2026 · metrics 2.10.0
Packagist
81Excellenthealth index
shipmonk-rnd/phpstan-rules
📏 Various extra strict PHPStan rules we found useful in ShipMonk.
PHP★ 155↓ 228.9K/moJul 17, 2026
MITJul 17, 2026 · metrics 2.10.0
npm
81Excellenthealth index
tcort/markdown-link-check
checks all of the hyperlinks in a markdown text to determine if they are alive or dead
JavaScript★ 712↓ 824.6K/moAug 30, 2026
ISCAug 30, 2026 · metrics 2.10.0
npm
81Excellenthealth index
xojs/eslint-config-xo
ESLint shareable config for XO
JavaScript★ 284↓ 1.8M/moAug 27, 2026
MITAug 27, 2026 · metrics 2.10.0
npm
80Excellenthealth index
RSeidelsohn/license-checker-rseidelsohn
Extract NPM package licenses. Enhanced and updated fork of Dav Glass' original (but abandoned) license-checker.
TypeScript★ 199↓ 1.6M/moJul 18, 2026
BSD-3-ClauseJul 18, 2026 · metrics 2.10.0
PyPI
77Goodhealth index
adrienverge/yamllint
A linter for YAML files.
Python★ 3,428Jul 17, 2026
GPL-3.0Jul 17, 2026 · metrics 2.10.0
Go
71Goodhealth index
quyxishi/whitebox
whitebox is a Prometheus exporter that provides availability monitoring of external VPN services powered by VMESS, VLESS, TROJAN, WireGuard, AmneziaWG, Shadowsocks and Hysteria2.
Go★ 103Aug 6, 2026
MITAug 6, 2026 · metrics 2.10.0
Packagist
71Goodhealth index
shipmonk-rnd/composer-dependency-analyser
🚀 Fast detection of composer dependency issues (unused dependencies, shadow dependencies, misplaced dependencies)
PHP★ 622↓ 590.1K/moJul 20, 2026
MITJul 20, 2026 · metrics 2.10.0
npm
69Goodhealth index
tcort/link-check
checks whether a hyperlink is alive (`200 OK`) or dead.
JavaScript★ 48↓ 921.6K/moAug 28, 2026
ISCAug 28, 2026 · metrics 2.10.0
Go
65Goodhealth index
preflightsh/preflight
Preflight 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★ 55Jul 21, 2026
MITJul 21, 2026 · metrics 2.10.0
PyPI
62Moderatehealth index
3xp0rt/Naminter
A Python package and command-line interface (CLI) tool for asynchronous OSINT username enumeration using the WhatsMyName dataset
Python★ 43↓ 733/moJul 18, 2026
MITJul 18, 2026 · metrics 2.10.0
npm
62Moderatehealth index
MetaMask/superstruct
A 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
MITAug 27, 2026 · metrics 2.10.0
Packagist
62Moderatehealth index
peckphp/peck
Peck is a powerful CLI tool designed to identify pure wording or spelling (grammar) mistakes in your codebase.
PHP★ 475↓ 50.2K/moAug 22, 2026
MITAug 22, 2026 · metrics 2.10.0
npm
60Moderatehealth index
bizon/eslint-config-xo-bizon
ESLint shareable config to be used with xo or eslint-config-xo
TypeScript★ 2↓ 3,056/moJul 18, 2026
MITJul 18, 2026 · metrics 2.10.0
Hex
57Moderatehealth index
Oeditus/oeditus_credo
Custom 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★ 19↓ 9,767/moJul 17, 2026
MITJul 17, 2026 · metrics 2.10.0
Packagist
51Moderatehealth index
sspooky13/yaml-standards
Standards for yaml files - adhere your yaml clean and nice
PHP★ 11↓ 17.5K/moJul 26, 2026
MITJul 26, 2026 · metrics 2.10.0
PyPI
47Weakhealth index
ilevkivskyi/typing_inspect
Runtime inspection utilities for Python typing module
Python★ 377Jul 17, 2026
MITJul 17, 2026 · metrics 2.10.0
PyPI
47Weakhealth index
mgedmin/check-manifest
Tool to check the completeness of MANIFEST.in for Python packages
Python★ 293Jul 18, 2026
MITJul 18, 2026 · metrics 2.10.0
Go
42Weakhealth index
oneclickvirt/portchecker
端口检测模块 (port checker)
Go★ 7Jul 29, 2026
Apache-2.0Jul 29, 2026 · metrics 2.10.0
Packagist
38Weakhealth index
tomzx/php-semver-checker
Compares two source sets and determines the appropriate semantic versioning to apply.
PHP★ 436↓ 2,272/moAug 5, 2026
MITAug 5, 2026 · metrics 2.10.0
npm
34At Riskhealth index
TypeStrong/fork-ts-checker-webpack-plugin
Webpack plugin that runs typescript type checker on a separate process.
TypeScript★ 2,000↓ 89.6M/moAug 13, 2026
MITAug 13, 2026 · metrics 2.10.0
npm
34At Riskhealth index
ianstormtaylor/superstruct
A simple and composable way to validate data in JavaScript (and TypeScript).
TypeScript★ 7,137↓ 22.6M/moAug 12, 2026
MITAug 12, 2026 · metrics 2.10.0