104 Open Source Checker Software Projects

Asynchronous linting and make framework for Neovim/Vim

Webpack plugin that runs typescript type checker on a separate process.

✅ List of links to the various checkers out there on the web for sites, domains, security etc.

PHP Magic Number Detector

MS17-010: Python and Meterpreter

Validate or fix code that doesn't adhere to EditorConfig settings or infer settings from existing code.

The implementation of the Rascal meta-programming language (including interpreter, type checker, parser generator, compiler and JVM based run-time system)

Query Method Calls from Ruby Programs

Policeman's Forbidden API Checker

A simple CLI tool for vetting npm package versions

📝 Hunspell compatible spell-checker

Leaked? 2.1 - A Checking tool for Hash codes, Passwords and Emails leaked

Grunt plugin for html validation

checks that all of the hyperlinks in a markdown text to determine if they are alive or dead

:chart_with_upwards_trend: A Minecraft server status checker

Minimalistic update notifications for command line interfaces

:heartbeat: Laravel package to periodically monitor the health of your server and application.

Unfx Proxy Checker - Powerful proxy checker with huge features and beautiful design. Easy sorting and filtering by all parameters.

Grade exams fast and accurately using a scanner 🖨 or your phone 🤳.

Fastes Email:Pass Checker on the planet.

A plugin for Clang compiler

Machine Readable Zone generator and checker for official travel documents sizes 1, 2, 3, MRVA and MRVB (Passports, Visas, national id cards and other travel documents)

✅ A simple tool to check source code against a set of Nette coding standards.

Vim plugin for executing Python's optional static type checker MyPy (http://mypy-lang.org/)

👾 VirusTotal zero dependency command line client. Hassle free file/URL scanning from CLI

Node.js CLI tool for checking links in IPTV playlists

A small tool to check license headers

Update Checker For Google Play

Tool to check that commits comply with conventional commit standard

A PHP library to calculate and check the italian tax code (codice fiscale).

A tiny NodeJS module to check SSL expiry 🔒

:link: A URL status checker CLI.

🔍 Extensive information about blade views in a Laravel's project

Stable and reliable multiple RDP checker written in C#

Grammarly support for Flycheck.

A checkers reinforcement learning AI, and all the tools needed to train it.

The GitHub CODEOWNERS file validator

General-purpose text-checker interface for Emacs text editor

一个打卡小程序 - 基于 leancloud 数据存储

微信域名防封检测

BugBounty Tool

Create validations with ease

Update Checker For Google Play

Golang http/socks proxy checker

A swagger spec generator and type checker for flask

Quick and simple monitoring and alerting system

:white_check_mark: Python values validator

Lightweight command-line tool for validating JSON

The simple script, which checks good and bad proxies

前后端共用的表单验证链，以及中文的验证错误反馈信息

useful micro check library for Crystal Language.

在协同开发中让代码风格保持一致

How we *used to* display update notifications for our packages

New publication workflow at W3C — main component

W3C's i18n checker

Health Check is an application that provides an API to check the health health_check of some parts and some utilities like ping requests. This application can works as standalone or included in a Django project.

Static analysis for CMake files.

CodeIgniter3 Filename Checker

A tool for verifying links in text-based files

checks whether a hyperlink is alive (`200 OK`) or dead.

checkolotl is an account checker made in python3.6

Check missing type definition modules for your Typescript project

proxy checker to check the status of the ip-port proxy list

A type checker for Elixir

Fast checking of top level dependencies based on version numbers

Yet another validation lib ;). Provides tools for general-purpose variable validation, function inputs/outputs validation as well as class fields validation. All entry points raise consistent ValidationError including all contextual details, with dynamic inheritance of ValueError/TypeError as appropriate.

Check JavaScript code compatibility with target runtime environments

:mag: .NET version checker written in Go

HTTP health checker implemented in Rust

Simple CLI tools for check `ngx-translate` keys

封装了一些Java常用的功能

一款简单、轻量、易扩展的用于创建模拟数据与进行数据检查的库

🇨🇳中国大陆身份证号解析/校验

Bulk port checker written with Go

An open source, multi-cloud DevSecOps compliance checker by @janoszen

Simple button for marking some items as selected.

Wrapper for The Nu Html Checker (v.Nu)

ExeCop is a checker that check commands and environment variables before execute command.

Account checker for Spotify music service.

isBizMail tells you whether a given email address belongs to a free email account provider (gmail.com, yahoo.es, yandex.ru etc) or not.

Verify environment variables presence for Node JS.

A simple tool to ensure compatibility between microservices

Nagios compatible systemd service checker

Crackerer is simple app that allows you to fast-check if Steam custom profile URL is not claimed.

The http checker

Check accessibility of target page and generate accessibility evaluate page and policy.

Recursive and multi-threaded broken link checker

Ruby Nagios Check Integration

pronto runner for credo, a code analysis tool for Elixir programming language

Instagram username availability checker

Lint all your JavaScript, CSS, HTML, Markdown and Dockerfiles with a single command

TYPO3 Fluid Template Compiling / Analysis tool

Online Code Checker and Compiler in Java

A pushdown automaton low memory JSON bytes stream checker

An open format definition for static analysis tools

This is a CLI tool to check a csv of email addresses and user names in https://haveibeenpwned.com

CC (Credit Card) Valid Checker 2020 Stripe Python Script (Open Source) By ARON-TN

Gettext file checker.

[NEw] : SMTP & Mail Access Checker V3 ⚠️⚠️

Android library for checking the internet connectivity of a device.