The fastest browser for AI agents to run browser automation, built for sharing your logged-in browser state with your AI agents, like Codex or Claude Code, without disturbing you. Zero cost, zero config.
Interactions built on physics. Describe a feel, get a component driven by mass, stiffness and damping, plus a test rig. No durations, no easing curves.
The smartest brains on earth, in an MCP. Cited, searchable MCP servers built from founders' talks, essays and posts.
Procedural drawing and motion techniques, each with its sources and short tests
Opensource IDE For Exploring and Testing API's (lightweight alternative to Postman/Insomnia)
Front End interview preparation materials for busy engineers (updated for 2026)
High performance Node.js image processing, the fastest module to resize JPEG, PNG, WebP, AVIF and TIFF images. Uses the libvips library.
☕️ Classic, reliable, trusted test framework for Node.js and the browser
Simple to use, blazing fast and thoroughly tested WebSocket client and server for Node.js
Mobile Security Framework (MobSF) is an automated, all-in-one mobile application (Android/iOS/Windows) pen-testing, malware analysis and security assessment framework capable of performing static and dynamic analysis.
Node.js test runner that lets you develop with confidence 🚀
Simple JavaScript testing framework for browsers and node.js
Self-hosted Speed Test for HTML5 and more. Easy setup, examples, configurable, mobile friendly. Supports PHP, Node, Multiple servers, and more
🕷 Super-agent driven library for testing node.js HTTP servers using a fluent API. Maintained for @forwardemail, @ladjs, @spamscanner, @breejs, @cabinjs, and @lassjs.
Welcome to the page where you will find each trick/technique/whatever I have learnt in CTFs, real life apps, and reading researches and news.
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.
Gray box end-to-end testing and automation framework for mobile apps
Program for determining types of files for Windows, Linux and MacOS.
A Node.js tool to automate end-to-end web testing.
Test spies, stubs and mocks for JavaScript.
BDD / TDD assertion framework for node.js and the browser that can be paired with any testing framework.
Newman is a command-line collection runner for Postman
Catch CSS curve balls.
The smallest, simplest and fastest JavaScript pixel-level image comparison library
⚓️ Easily test HTTP webhooks with this handy tool that displays requests instantly.
A free coding agent in your terminal. It runs on the smartest free model that is up today.
tap-producing test harness for node and browsers
Free, open-source crypto trading bot, automated bitcoin / cryptocurrency trading software, algorithmic trading bots. Visually design your crypto trading bot, leveraging an integrated charting system, data-mining, backtesting, paper trading, and multi-server crypto bot deployments.
sitespeed.io is an open-source tool for comprehensive web performance analysis, enabling you to test, monitor, and optimize your website’s speed using real browsers in various environments.
Pa11y is your automated accessibility testing pal
Beyond the basics of Node.js testing. Including a super-comprehensive best practices list and an example app (April 2025)
Full featured CSV parser with simple api and tested against large datasets.
Supercharged End 2 End Testing Framework for NodeJS
🔮 An easy-to-use JavaScript unit testing framework.
The smallest, fastest, most feature complete Tailwind-in-JS solution in existence.
✨ Jest matcher for image comparisons. Most commonly used for visual regression testing.
A node.js library for testing modern web applications
Various recipes for testing common scenarios with Cypress
Show your latest blog posts from any sources or StackOverflow activity or Youtube Videos on your GitHub profile/project readme automatically using the RSS feed
General-purpose Playwright automation for coding agents
A command line tool to help build, run, and test web extensions
A speed test analysis software that shows your internet speed for up to 30 days
uvu is an extremely fast and lightweight test runner for Node.js and the browser
Claude Code learns from your corrections: self-correcting memory that compounds over 50+ sessions. Context engineering, parallel worktrees, agent teams, and 17 battle-tested skills.
Test'em 'Scripts! A test runner that makes Javascript unit testing fun.
Pentest Report Generator
:orange_book: 根据 RSS 订阅最新前端技术文章并自动分类
Official ECMAScript Conformance Test Suite
Debugging tool for Kubernetes which tests and displays connectivity between nodes in the cluster.
The fastest and smallest JavaScript polygon triangulation library for your WebGL apps
Mobile Edge-Dynamic Unified Security Analysis
☔ 敏捷开发最强大易用的接口工具,机器学习零代码测试与 AI 问答、生成代码与静态检查、生成文档与光标悬浮注释,腾讯、华为、SHEIN、传音、工行等使用 ☔ The most advanced tool for HTTP API. Machine learning no-code testing and AI assistant, generating codes and static analysis, generating comments and floating hints. Used by Tencent, Huawei, SHEIN, TRANSSION, ICBC, etc.
A self-hosted address and synthetic test-profile generator for 27 countries and regions, built from real open-data streets, administrative areas, coordinates, and postcodes. Supports multilingual output, IP-nearby generation, map previews, and API access. 基于真实开放数据的自托管地址与合成测试资料生成器,覆盖 27 个国家和地区,支持多语言地址、IP 附近生成、地图预览与 API 调用
🎬 Evidence-led Seedance 2.5 / 2.0 prompt library: 840+ cases traced to original posts, 490+ cross-model retest runs, 27 copy-ready templates, 80+ installable AI-video Skills. Synced daily from goodcase.ai. EN / 中文 / 日本語.
QuantSkills组织的全景导航 :面向 AI Agent 的开源量化 Skill & Agent 生态,从数据、因子研究、回测验证到风险监控与交易自动化。|Open-source Quant Skills & Agents for AI-driven research, backtesting, risk and trading automation.——Panoramic navigator for the QuantSkills organization
Over the wire test doubles
Professional context and harness engineering for Claude Code and OpenAI Codex. Build production-grade software with spec-driven development, TDD, persistent memory, quality gates, code intelligence, human oversight, and end-to-end verification.
Insomnia Mockbin is the underlying backend for the API mocks capability of Insomnia. It is built and used by Kong, the author of the open-source Kong Gateway.
Home Assistant config files, rewritten to use the latest features, 100+ documented automations, automatically generated ToC :house: :robot:
A curated, battle-tested AI-coding toolkit: Claude Code plugins, subagent orchestration, quality gates, and ready-to-copy prompts, extracted from real production use.