Trending repositories

1.floci-io / floci

Light, fluffy, and always free - The AWS Local Emulator alternative

• aws
• aws-emulation
• localstack
• devops
• docker
• ec2
• +4 more

2.microsoft / playwright

Playwright is a framework for Web Testing and Automation. It allows testing Chromium, Firefox and WebKit with a single API.

• playwright
• testing
• automation
• webkit
• firefox
• e2e-testing
• +9 more

3.jo-duchan / tapflow

Self-hosted iOS & Android simulator streaming for the whole team

• appetize-alternative
• android
• ios
• react-native
• android-emulator
• app-testing
• +14 more

4.keploy / keploy

Open-source platform for creating safe, isolated production sandboxes for API, integration, and E2E testing.

• testing
• test-automation
• api-testing
• testing-tools
• test-automation-framework
• test-generation
• +8 more

5.mobile-dev-inc / Maestro

Painless E2E Automation for Mobile and Web

• android
• ios
• blackbox-testing
• ui-automation

6.web-infra-dev / midscene

See interfaces like a human. E2E testing in natural language.

• testing
• browser-use
• computer-use
• gpt-operator
• javascript
• phone-use
• +2 more

7.grafana / k6

A modern load testing tool, using Go and JavaScript

• golang
• load-testing
• load-generator
• javascript
• es6
• performance
• +3 more

8.google / googletest

GoogleTest - Google Testing and Mocking Framework

9.axllent / mailpit

An email and SMTP testing tool with API for developers

• email-testing
• go
• golang
• smtp-server
• smtp-relay
• smtp-testing
• +2 more

10.vostride / agent-qa

Open-source self-improving QA agent for software teams. A test harness with memory. Write tests in natural language for web and mobile. agent-qa learns from every run, adapts to UI changes, and catches regressions before you ship.

• playwright
• end-to-end-testing
• ai-testing
• ai-agents
• mcp
• developer-tools
• +14 more

11.feder-cr / invisible_playwright

Playwright that anti-bots cannot see, so no captchas: same API, anti-detect stealth headless Firefox, undetected fingerprint, bypass bot detection, Python web scraping and browser automation.

• datadome
• perimeterx
• akamai
• antidetect-browser
• headless-browser
• playwright
• +14 more

12.sharkdp / hyperfine

A command-line benchmarking tool

• command-line
• tool
• benchmark
• rust
• cli
• terminal

13.future-agi / future-agi

Open-source, end-to-end platform for evaluating, observing, and improving LLM and AI agent applications. Tracing · Evals · Simulations · Datasets · Gateway · Guardrails. Self-hostable. Apache 2.0.

• ai-gateway
• observability
• simulation
• ai-agents
• ai-evals
• evaluation-framework
• +14 more

14.rakyll / hey

HTTP load generator, ApacheBench (ab) replacement

15.ffuf / ffuf

Fast web fuzzer written in Go

• fuzzer
• pentesting
• infosec
• web

16.vitest-dev / vitest

Next generation testing framework powered by Vite.

• vite
• test
• testing-tools

17.addyosmani / web-quality-skills

Agent Skills for optimizing web quality based on Lighthouse and Core Web Vitals.

• accessibility
• agent-skills
• claude-skills
• core-web-vitals
• lighthouse
• skills
• +2 more

18.google / oss-fuzz

OSS-Fuzz - continuous fuzzing for open source software.

• fuzzing
• security
• stability
• oss-fuzz
• fuzz-testing
• vulnerabilities

19.appium / appium

Cross-platform automation framework for all kinds of apps, built on top of the W3C WebDriver protocol

• appium
• webdriver
• android
• ios
• windows
• automation
• +2 more

20.seleniumbase / SeleniumBase

📊 APIs for Web Scraping, Browser Automation, and E2E Testing. CDP Mode & Stealthy Playwright Mode bypass bot-detection/CAPTCHAs.

• python
• selenium-python
• e2e-testing
• seleniumbase
• web-automation
• pytest
• +10 more

21.dequelabs / axe-core

Accessibility engine for automated Web UI testing

• axe
• a11y
• accessibility

22.stryker-mutator / stryker-js

Mutation testing for JavaScript and friends

• mutation-testing
• stryker
• javascript
• typescript
• testing-tools
• test-automation
• +2 more

23.cypress-io / cypress

Fast, easy and reliable testing for anything that runs in a browser.

• cypress
• end-to-end-testing
• angular-testing-library
• component-testing
• cypress-cloud
• cypress-schematic
• +7 more

24.pytest-dev / pytest

The pytest framework makes it easy to write small tests, yet scales to support complex functional testing

• unit-testing
• test
• testing
• python
• hacktoberfest

25.HypothesisWorks / hypothesis

The property-based testing library for Python

• python
• testing
• fuzzing
• property-based-testing

26.web-platform-tests / wpt

Test suites for Web platform specs — including WHATWG, W3C, and others

• testing
• html
• test-automation
• browser
• w3c
• whatwg
• +13 more

27.hyhmrright / brooks-lint

Portable AI code quality reviews for Codex, Cursor, Copilot and other coding agents: six Agent Skills for architecture, technical debt, tests and remediation.

• architecture-review
• code-quality
• code-review
• tech-debt
• claude-code-plugin
• clean-architecture
• +14 more

28.locustio / locust

Write scalable load tests in plain Python 🚗💨

• locust
• python
• load-testing
• performance-testing
• http
• benchmarking
• +5 more

29.Shopify / toxiproxy

:alarm_clock: :fire: A TCP proxy to simulate network and system conditions for chaos and resiliency testing

• resiliency
• tcp-proxy
• go
• proxy
• chaos
• testing
• +3 more

30.faiscadev / fakecloud

Free, open-source AWS emulator. LocalStack alternative: 107 services, 7,657 operations, true 100% Smithy conformance (258,545/258,545 variants pass). No account, no auth token, no paid tier.

• aws
• aws-emulator
• aws-testing
• dynamodb
• integration-testing
• lambda
• +14 more

31.foundry-rs / foundry

Foundry is a blazing fast, portable and modular toolkit for Ethereum application development written in Rust.

• rust
• solidity
• evm
• testing
• fuzzing
• blockchain
• +14 more

32.mswjs / msw

The industry standard for API mocking in JavaScript.

• msw
• mock
• mocking-framework
• service-worker
• mock-service-worker
• mocking
• +5 more

33.cryptpad / cryptpad

Collaborative office suite, end-to-end encrypted and open-source.

• collaborative-editing
• cryptpad
• javascript
• chainpad
• collaboration
• e2ee
• +2 more

34.SawyerHood / dev-browser

A Claude Skill to give your agent the ability to use a web browser

• claude-code
• playwright
• skills

35.schemathesis / schemathesis

Catch API bugs before your users do

• hypothesis
• pytest
• swagger
• cli
• property-based-testing
• graphql
• +6 more

36.metersphere / metersphere

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。

• jmeter
• testing
• test-automation
• api-testing
• testcase
• testlink
• +5 more

37.Orange-OpenSource / hurl

Hurl, run and test HTTP requests with plain text.

• curl
• http
• testing-tools
• cli
• integration-testing
• http-client
• +2 more

38.hatoo / oha

Ohayou(おはよう), HTTP load generator, inspired by rakyll/hey with tui animation.

• rust
• load-testing
• benchmark
• http
• load-generator
• command-line
• +3 more

39.catchorg / Catch2

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)

• testing
• test-framework
• tdd
• bdd
• no-dependencies
• framework
• +2 more

40.platformio / platformio-core

Your Gateway to Embedded Software Development Excellence :alien:

• iot
• embedded
• arduino
• esp8266
• esp32
• avr
• +14 more

41.typicode / json-server

Get a full fake REST API with zero coding in less than 30 seconds (seriously)

• api
• fake
• frontend
• json
• mock
• rest
• +1 more

42.robotframework / robotframework

Generic automation framework for acceptance testing and RPA

• robotframework
• testing
• automation
• testautomation
• attd
• bdd
• +2 more

43.antonbabenko / terraform-skill

Terraform & OpenTofu Skill for AI Agents - testing, modules, CI/CD, and production patterns

• best-practices
• claude-skills
• devops
• infrastructure-as-code
• modules
• opentofu
• +4 more

44.joke2k / faker

Faker is a Python package that generates fake data for you.

• python
• fake
• testing
• dataset
• fake-data
• test-data
• +3 more

45.AFLplusplus / AFLplusplus

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!

• afl
• afl-fuzz
• afl-fuzzer
• fuzzing
• fuzzer
• fuzz-testing
• +9 more

46.s0md3v / XSStrike

Most advanced XSS scanner.

• xss
• xss-scanner
• xss-exploit
• xss-bruteforce
• xss-python
• xss-detection
• +2 more

47.stretchr / testify

A toolkit with common assertions and mocks that plays nicely with the standard library

• testify
• go
• assertions
• mocking
• golang
• testing
• +1 more

48.pestphp / pest

The elegant testing framework for PHP developers and AI agents.

• php
• testing
• pest
• framework

49.bats-core / bats-core

Bash Automated Testing System

• shell
• bash
• testing
• bats
• tap
• testing-tools
• +2 more

50.standardnotes / app

Think fearlessly with end-to-end encrypted notes and files. For issues, visit https://standardnotes.com/forum or https://standardnotes.com/help.

• notes
• encrypted
• privacy
• secure
• evernote
• snippets
• +2 more

51.tsenart / vegeta

HTTP load testing tool and library. It's over 9000!

• load-testing
• go
• benchmarking
• http

52.bruin-data / bruin

Build data pipelines with SQL and Python, ingest data from different sources, add quality checks, and build end-to-end flows.

• analytics
• bigquery
• data-modeling
• data-pipelines
• python
• snowflake
• +5 more

53.jestjs / jest

Delightful JavaScript Testing.

• javascript
• testing
• painless-javascript-testing
• facebook
• immersive
• painless
• +3 more

54.dmtrKovalenko / odiff

A very fast SIMD-first image comparison library (with nodejs API)

• visual
• diff
• snapshot
• image-comparison
• testing-tool
• pixel-perfect
• +2 more

55.faker-js / faker

Generate massive amounts of fake data in the browser and node.js

• faker
• data
• fake
• nodejs
• browser
• javascript
• +1 more

56.getmoto / moto

A library that allows you to easily mock out tests based on AWS infrastructure.

• boto
• aws
• ec2
• s3

57.DeviceFarmer / stf

Control and manage Android devices from your browser.

• remote-control
• android
• debugging
• testing
• hacktoberfest

58.mailhog / MailHog

Web and API based SMTP testing

59.mockoon / mockoon

Mockoon is the easiest and quickest way to run mock APIs locally. No remote deployment, no account required, open source.

• mock
• server
• rest-api
• rest
• application
• electron
• +12 more

60.wg / wrk

Modern HTTP benchmarking tool

61.evyatarmeged / Raccoon

A high performance offensive security tool for reconnaissance and vulnerability scanning

• reconnaissance
• scanner
• vulnerability-assessment
• vulnerability-scanner
• enumeration
• pentesting
• +9 more

62.ixartz / Next-js-Boilerplate

🚀🎉📚 Nextjs Boilerplate and Starter with App Router and Page Router support, Tailwind CSS 4 and TypeScript ⚡️ Made with developer experience first: Next.js 16 + TypeScript + ESLint + Prettier + Drizzle ORM + Husky + Lint-Staged + Vitest + Testing Library + Playwright + Storybook + Commitlint + VSCode + Sentry + PostCSS + Tailwind CSS ✨

• nextjs
• next-theme
• next-js
• starter-kit
• starter-template
• starter-project
• +14 more

63.bountyyfi / lonkero

Lonkero - Wraps around your attack surface. Professional-grade scanner for real penetration testing. Fast. Modular. Rust.

• cve-scanning
• pentesting-tools
• rust
• vulnerability-scanners
• websecurity
• appsec
• +14 more

64.apache / jmeter

Apache JMeter open-source load testing tool for analyzing and measuring the performance of a variety of services

• java
• performance
• test

65.antonio-morales / Fuzzing101

An step by step fuzzing tutorial. A GitHub Security Lab initiative

• fuzzing
• security
• bug-hunting
• afl
• fuzzilli
• fuzzer
• +7 more

66.ThrowTheSwitch / Unity

Simple unit testing for C

• c
• unit-testing

67.FlaUI / FlaUI

UI automation library for .Net

• microsoft
• wpf
• winforms
• ui-automation
• framework
• dotnet
• +8 more

68.test-zeus-ai / testzeus-hercules

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! ⚡

• ai
• autogen
• automation
• browser
• end-to-end-testing
• hercules
• +12 more

69.karatelabs / karate

Test Automation Made Simple

• test-automation
• assertions
• testing-tools
• mock-server
• automated-testing
• webdriver
• +10 more

70.bitwes / Gut

Godot Unit Test. Unit testing tool for Godot Game Engine.

• godot
• unit-test
• godot-engine
• tool

71.wiremock / wiremock

A tool for mocking HTTP services

• wiremock
• json
• mocking
• stubbing
• java
• xml
• +5 more

72.go-rod / rod

A Chrome DevTools Protocol driver for web automation and scraping.

• cdp
• chrome-headless
• chrome-devtools
• chrome-devtools-protocol
• headless
• web-scraping
• +11 more

73.Schlaubischlump / LocationSimulator

MacOS application to spoof / fake / mock your iOS / iPadOS or iPhoneSimulator device location. WatchOS and TvOS are partially supported.

• location
• location-spoofing
• location-spoof
• fake-locations
• development-tools
• macos
• +12 more

74.google / syzkaller

syzkaller is an unsupervised coverage-guided kernel fuzzer

• linux
• kernel
• fuzz-testing
• fuzzing
• fuzzer
• testing
• +3 more

75.godot-gdunit-labs / gdUnit4

Embedded unit testing framework for Godot 4 supporting GDScript and C#. Features test-driven development, embedded test inspector, extensive assertions, mocking, scene testing.

• test-automation
• testing
• testing-tools
• unit-test
• unittest
• unittest-framework
• +6 more

76.unionai-oss / pandera

A light-weight, flexible, and expressive statistical data testing library

• pandas
• validation
• schema
• dataframes
• testing
• pandas-validation
• +12 more

77.minimaxir / big-list-of-naughty-strings

The Big List of Naughty Strings is a list of strings which have a high probability of causing issues when used as user-input data.

78.TheJambo / awesome-testing

A curated list of testing resources

• testing
• tester
• naughty-strings
• awesome-list
• awesome
• list

79.mxschmitt / playwright-go

Playwright for Go a browser automation library to control Chromium, Firefox and WebKit with a single API.

• playwright
• golang
• selenium
• browser-automation
• chromium
• hacktoberfest
• +6 more

80.testing-library / react-testing-library

🐐 Simple and complete React DOM testing utilities that encourage good testing practices.

• reactjs
• testing
• javascript

81.testcontainers / testcontainers-go

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.

• testing
• docker
• automation
• golang
• go
• testcontainers-go
• +2 more

82.webdriverio / webdriverio

Next-gen browser and mobile automation test framework for Node.js

• javascript
• webdriverio
• webdriver
• node
• test
• automation
• +6 more

83.alexei-led / pumba

Chaos testing, network emulation, and stress testing tool for containers

• docker
• chaos
• network-emulator
• testing-tools
• testing
• chaos-monkey
• +11 more

84.pointfreeco / swift-snapshot-testing

📸 Delightful Swift snapshot testing.

• swift
• testing
• snapshot-testing
• screenshot-testing

85.doctest / doctest

The fastest feature-rich C++11/14/17/20/23 single-header testing framework

• c-plus-plus
• doctest
• tdd
• testing
• unit-testing
• header-only
• +8 more

86.RezaSi / go-interview-practice

Interactive Go Interview Platform - 30+ coding challenges with instant feedback, AI interview simulation, competitive leaderboards, and automated testing. From beginner to advanced levels with real-world scenarios.

• go-interview-questions
• golang
• golang-interview-questions
• hacktoberfest
• interview
• interview-practice
• +14 more

87.artilleryio / artillery

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.

• serverless
• load
• api
• playwright
• stress
• testing
• +14 more

88.stryker-mutator / stryker-net

Mutation testing for .NET core and .NET framework!

• mutation-testing
• stryker
• dotnet-core
• dotnet-framework
• hacktoberfest
• dotnet-stryker

89.dotnet / BenchmarkDotNet

Powerful .NET library for benchmarking

• benchmark
• benchmarking
• c-sharp
• dotnet
• performance
• csharp
• +1 more

90.stoplightio / prism

Turn any OpenAPI2/3 and Postman Collection file into an API server with mocking, transformations and validations.

• oas
• prism
• mocking
• api-testing
• http-proxy
• swagger
• +9 more

91.testcontainers / testcontainers-java

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.

• java
• docker
• docker-compose
• junit
• test-automation
• jvm
• +3 more

92.tanprathan / MobileApp-Pentest-Cheatsheet

The Mobile App Pentest cheat sheet was created to provide concise collection of high value information on specific mobile application penetration testing topics.

• mobile-app
• pentesting
• android-application
• ios-app
• runtime-analysis
• network-analysis
• +3 more

93.stefanprodan / podinfo

Go microservice template for Kubernetes

• golang
• microservice
• kubernetes
• helm
• kustomize
• gitops
• +2 more

94.mock-server / mockserver-monorepo

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.

• mock-server
• proxy
• java-client
• javascript-client
• node-module
• node-client
• +9 more

95.secfigo / Awesome-Fuzzing

A curated list of fuzzing resources ( Books, courses - free and paid, videos, tools, tutorials and vulnerable applications to practice on ) for learning Fuzzing and initial phases of Exploit Development like root cause analysis.

• awesome-list
• awesome
• fuzzing
• fuzzing-framework
• secfigo

96.vitalets / playwright-bdd

BDD testing with Playwright runner

• automated-testing
• bdd
• cucumber
• gherkin
• playwright
• testing

97.microcks / microcks

The open source, cloud native tool for API Mocking and Testing. Microcks is a Cloud Native Computing Foundation incubating project 🚀

• api
• testing
• kubernetes
• api-testing
• event-driven
• graphql
• +14 more

98.wix / Detox

Gray box end-to-end testing and automation framework for mobile apps

• e2e-tests
• ios
• react-native
• android
• testing
• javascript
• +5 more

99.sebastianbergmann / phpunit

The PHP Unit Testing framework.

• php
• phpunit
• testing-tools

100.goss-org / goss

Quick and Easy server testing/validation

• goss
• health-endpoint
• devops
• tdd
• tdd-utilities
• testing
• +11 more