Ranked by Attention Score: stars gained over the last 30 complete days
1–100 of 221 by Attention Score · Oct 4, 2026 – Nov 2, 2026 (UTC)
ARTEMIS turns natural-language instructions into reliable Android automation. It automates end-to-end workflows, captures logs, and integrates seamlessly with AI coding assistants such as Antigravity, Codex, and Claude Code. It also achieves 99%+ success rate on AndroidWorld Benchmark.
Playwright is a framework for Web Testing and Automation. It allows testing Chromium, Firefox and WebKit with a single API.
Test your prompts, agents, and RAGs. Red teaming/pentesting/vulnerability scanning for AI. Compare performance of GPT, Claude, Gemini, DeepSeek, and more. Simple declarative configs with command line and CI/CD integration. Used by OpenAI and Anthropic.
Opensource IDE For Exploring and Testing API's (lightweight alternative to Postman/Insomnia)
Self-hosted iOS & Android simulator streaming for the whole team
Open-source platform for creating safe, isolated production sandboxes for API, integration, and E2E testing.
See interfaces like a human. E2E testing in natural language.
Storybook is the industry standard workshop for building, documenting, and testing UI components in isolation
Open-Source API Development Ecosystem • https://hoppscotch.io • Offline, On-Prem & Cloud • Web, Desktop & CLI • Open-Source Alternative to Postman, Insomnia
JavaScript API for Chrome and Firefox
Agent Skills for optimizing web quality based on Lighthouse and Core Web Vitals.
✅ The Node.js best practices list (July 2026)
Mutation testing for JavaScript and friends
Foundry is a blazing fast, portable and modular toolkit for Ethereum application development written in Rust.
The pytest framework makes it easy to write small tests, yet scales to support complex functional testing
:alarm_clock: :fire: A TCP proxy to simulate network and system conditions for chaos and resiliency testing
Test suites for Web platform specs — including WHATWG, W3C, and others
The property-based testing library for Python
Catch API bugs before your users do
Hurl, run and test HTTP requests with plain text.
A modern, C++-native, test framework for unit-tests, TDD and BDD - using C++14, C++17 and later (C++11 support is in v2.x branch, and C++03 on the Catch1.x branch)
AFL++ is a state-of-the-art fuzzer, and #1 in benchmarks. It was originally based on AFL. Today it comes with qemu 5.1, collision-free coverage, enhanced laf-intel & redqueen, AFLfast++ power schedules, MOpt mutators, unicorn_mode, and a lot more!
Faker is a Python package that generates fake data for you.
Learn Go with test-driven development
A faster, simpler way to drive browsers supporting the Chrome DevTools Protocol.
Generic automation framework for acceptance testing and RPA
Delightful JavaScript Testing.
Custom Selenium Chromedriver | Zero-Config | Passes ALL bot mitigation systems (like Distil / Imperva/ Datadadome / CloudFlare IUAM)
MeterSphere 是新一代的开源持续测试工具，内置 AI 助手，让软件测试工作更简单、更高效，不再成为持续交付的瓶颈。
syzkaller is an unsupervised coverage-guided kernel fuzzer
A toolkit with common assertions and mocks that plays nicely with the standard library
Control and manage Android devices from your browser.
Bash Automated Testing System
Embedded unit testing framework for Godot 4 supporting GDScript and C#. Features test-driven development, embedded test inspector, extensive assertions, mocking, scene testing.
Command line driven CI frontend and development task automation tool.
💻 A fully functional local AWS cloud stack. Develop and test your cloud & Serverless apps offline
Terraform & OpenTofu Skill for AI Agents - testing, modules, CI/CD, and production patterns
A light-weight, flexible, and expressive statistical data testing library
UI automation library for .Net
Hercules is the world’s first open-source testing agent, enabling UI, API, Security, Accessibility, and Visual validations – all without code or maintenance. Automate testing effortlessly and let Hercules handle the heavy lifting! ⚡
☕️ Classic, reliable, trusted test framework for Node.js and the browser
PHP Static Analysis Tool - discover bugs in your code without running it!
The elegant testing framework for PHP developers and AI agents.
Test Automation Made Simple
A Chrome DevTools Protocol driver for web automation and scraping.
📸 Delightful Swift snapshot testing.
An step by step fuzzing tutorial. A GitHub Security Lab initiative
BDD testing with Playwright runner
The complete load testing platform. Everything you need for production-grade load tests. Serverless & distributed. Load test with Playwright. Load test HTTP APIs, GraphQL, WebSocket, and more. Use any Node.js module.
A curated list of testing resources
Testcontainers for Go is a Go package that makes it simple to create and clean up container-based dependencies for automated integration/smoke tests. The clean, easy-to-use API enables developers to programmatically define containers that should be run as part of a test and clean up those resources when the test is done.
MockServer is an HTTP(S) mock server and proxy for testing that lets you mock APIs, inspect and modify live traffic, and inject failures. It supports HTTP/1.1, HTTP/2, gRPC, WebSockets, TCP and more on a single port, with additional support for HTTP/3, message brokers, and AI/LLM APIs.
Mimesis is a Python library for generating fake but realistic data in multiple languages and locales.
🐐 Simple and complete React DOM testing utilities that encourage good testing practices.
Modular, zero-dependency testing framework for Go. Featuring plugins, suites, parallel tests and much more!
Gray box end-to-end testing and automation framework for mobile apps
The open source, cloud native tool for API Mocking and Testing. Microcks is a Cloud Native Computing Foundation incubating project 🚀
The fastest feature-rich C++11/14/17/20/23 single-header testing framework
Testcontainers is a Java library that supports JUnit tests, providing lightweight, throwaway instances of common databases, Selenium web browsers, or anything else that can run in a Docker container.
Pester is the ubiquitous test and mock framework for PowerShell.
Painless Java in Neovim
Terratest is a Go library that makes it easier to write automated tests for your infrastructure code.
Quick and Easy server testing/validation
🔐 A CLI tool to extract server certificates
Flutter-first UI testing framework. Ready for action!
Random testing library for C#
HTTP Request & Response Service, written in Python + Flask.
A curated list of awesome tools, utils and projects using Playwright
open source test management system with over 2 million downloads!
:books: The starting point of your career as a Software Quality Assurance Engineer | Quality Automation Engineer :books:
Python PyPi staging server and packaging, testing, release tool
Node.js test runner that lets you develop with confidence 🚀
Automated testing to find logic and performance bugs in database systems
GoReplay is an open-source tool for capturing and replaying live HTTP traffic into a test environment in order to continuously test your system with real data. It can be used to increase confidence in code deployments, configuration changes and infrastructure changes.
A Modern Testing Framework for Go
A library to support tests with throwaway instances of Docker containers for all compatible .NET Standard versions.
Database Subsetting and Relational Data Browsing Tool.
Testcontainers is a NodeJS library that supports tests, providing lightweight, throwaway instances of common databases, Selenium web browsers, or anything else that can run in a Docker container.
PHP Mutation Testing library
Fast, native API client for REST, gRPC, WebSocket and GraphQL. A local-first Postman alternative written in Go: no Electron, no account, no cloud.
Rust language bindings for Microsoft Playwright
HTTP(S) benchmark tools, testing/debugging, & restAPI (RESTful)
Software build automation tool for Python.
📗🌐 🚢 Comprehensive and exhaustive JavaScript & Node.js testing best practices (August 2025)
A mock code autogenerator for Go
Most popular Mocking framework for unit tests written in Java
A collection of public resources about how software companies test their software
Should testing for .NET—the way assertions should be!
Lightweight service virtualization/ API simulation / API mocking tool for developers and testers
🔭 Powerful tool for testing WebHooks and more
Automatically generate Go test boilerplate from your source code.
✔️ PHP Architecture Tester - Easy architecture testing for PHP
This repository holds the source code of Microsoft.Testing.Platform (MTP), a lightweight alternative to VSTest, as well as MSTest adapter and framework.
A collection of ROM images with tests that will aid you in developing your own CHIP-8, SUPER-CHIP or XO-CHIP interpreter (or "emulator")
Record, Replay, and Stub HTTP Interactions.
Generating fake data for the JVM (Java, Kotlin, Groovy) has never been easier!
Integrated end-to-end testing framework written in Node.js and using W3C Webdriver API. Developed at @browserstack
Sandbox for developing and testing UI components in isolation
Awaitility is a small Java DSL for synchronizing asynchronous operations
A full-featured BDD unit testing framework for bash, ksh, zsh, dash and all POSIX shells