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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.

19 records
Tagged “checker”Ranked by health index
PyPI
85Excellenthealth index
python/typing_extensions
Backported and experimental type hints for Python
Python★ 577Jul 16, 2026
Custom licenseJul 16, 2026 · metrics 1.13.0
npm · Maven
79Goodhealth index
validator/validator
The Nu Html Checker (vnu)
Java★ 1,960↓ 460.6K/moJul 19, 2026
MITJul 19, 2026 · metrics 1.13.0
PyPI
77Goodhealth index
jorenham/optype
Opinionated typing package for precise type hints in Python
Python★ 90Jul 18, 2026
BSD-3-ClauseJul 18, 2026 · metrics 1.13.0
npm
76Goodhealth index
mightyiam/eslint-config-love
A TypeScript ESLint config that loves you
TypeScript★ 818↓ 466.6K/moJul 20, 2026
MITJul 20, 2026 · metrics 1.13.0
npm
70Goodhealth index
samchon/typia
Super-fast/easy runtime validators and serializers via transformation
TypeScript · Go★ 5,856Jul 18, 2026
MITJul 18, 2026 · metrics 1.13.0
npm
70Goodhealth index
xojs/eslint-config-xo
ESLint shareable config for XO
JavaScript★ 285↓ 1.9M/moJul 19, 2026
MITJul 19, 2026 · metrics 1.13.0
npm
70Goodhealth index
xojs/xo
❤️ JavaScript/TypeScript linter (ESLint wrapper) with great defaults
TypeScript★ 7,994↓ 877.5K/moJul 19, 2026
MITJul 19, 2026 · metrics 1.13.0
Packagist
69Moderatehealth 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 1.13.0
npm
68Moderatehealth 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 1.13.0
PyPI
67Moderatehealth index
adrienverge/yamllint
A linter for YAML files.
Python★ 3,428Jul 17, 2026
GPL-3.0Jul 17, 2026 · metrics 1.13.0
Go
60Moderatehealth 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 1.13.0
PyPI
59Moderatehealth 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 1.13.0
npm
59Moderatehealth index
MetaMask/superstruct
A simple and composable way to validate data in JavaScript (and TypeScript). Forked by MetaMask to fix ESM compatibility.
TypeScript★ 3↓ 3.9M/moJul 19, 2026
MITJul 19, 2026 · metrics 1.13.0
npm
57Moderatehealth 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 1.13.0
Hex
56Moderatehealth 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 1.13.0
PyPI
50Moderatehealth index
mgedmin/check-manifest
Tool to check the completeness of MANIFEST.in for Python packages
Python★ 293Jul 18, 2026
MITJul 18, 2026 · metrics 1.13.0
PyPI
49At riskhealth index
ilevkivskyi/typing_inspect
Runtime inspection utilities for Python typing module
Python★ 377Jul 17, 2026
MITJul 17, 2026 · metrics 1.13.0
PyPI
37At riskhealth 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 1.13.0
Packagist
30At riskhealth 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 1.13.0