jason5ng32 / MyIP

The best IP Toolbox. Check your IP address & geolocation, test IP for WebRTC and DNS IP leaks, run an IP quality check, browser fingerprint check, website availability check, network speed test, global latency test, MTR test, Whois search, and more.

google / closure-compiler

A JavaScript checker and optimizer.

DavidAnson / markdownlint

A Node.js style checker and lint tool for Markdown/CommonMark files.

signerless / llm-checker

Advanced CLI tool that scans your hardware and tells you exactly which LLM or sLLM models you can run locally, with full Ollama integration.

IBMa / equal-access

IBM Equal Access Accessibility Checker contains tools to automate accessibility checking from a browser or in a continuous development/build environment

cfinke / Typo.js

A client-side JavaScript spellchecker that uses Hunspell-style dictionaries.

he-chun / paper-library-checker

Local-first Zotero browser extension that shows whether a paper is already saved, helping prevent duplicate items on CNKI, MDPI, and other scholarly sites.

lewispour / pulse-proxy-checker

⚡ Fast local proxy checker for HTTP/HTTPS/SOCKS4/SOCKS5 — live results with country, quality & risk, offline GeoIP, saved pools. Free & open-source (Tauri + Rust). macOS & Windows.

Nioris / yandex-games-debug-checker

Unofficial pre-submission compliance and runtime checker for Yandex Games

AhmadJeddi / SafeIP

A lightweight network security tool that verifies IP location, validates network safety, and prevents access to protected links when unexpected location changes are detected.

TheGreatAzizi / Persian-Typo-Fixer

Browser extension that auto-fixes Persian typos as you type

jameskomo / config-drift-checker

CI for your coding-agent setup (CLAUDE.md, skills, hooks): pinned baselines, a canary on every Claude Code release, model and version matrix, context-cost drift, self-diagnosing reports, repair. Claude Code, Codex, Gemini.

librespeed / speedtest

Self-hosted Speed Test for HTML5 and more. Easy setup, examples, configurable, mobile friendly. Supports PHP, Node, Multiple servers, and more