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.N4darae / shrt

A contract-driven gRPC regression harness for AI coding agents, with human-approved baselines. Snapshot the valid call chains of an API so an agent can look one up instead of tracing for it. gRPC today, OpenAPI next

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.arjaythedev / twelve-dollar-server-challenge

Implement one small API on SQLite in any language; we benchmark it on a $12 server (1 vCPU, 2 GB)

5.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

6.axllent / mailpit

An email and SMTP testing tool with API for developers

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

7.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

8.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

9.ffuf / ffuf

Fast web fuzzer written in Go

• fuzzer
• pentesting
• infosec
• web

10.vitest-dev / vitest

Next generation testing framework powered by Vite.

• vite
• test
• testing-tools

11.nicorobinreal / llmspeed

Feel how fast a local LLM runs before you buy the hardware

• llm
• benchmark
• gpu
• hardware
• inference
• llm-inference
• +3 more

12.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

13.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

14.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

15.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

16.schemathesis / schemathesis

Catch API bugs before your users do

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

17.mswjs / msw

The industry standard for API mocking in JavaScript.

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

18.locustio / locust

Write scalable load tests in plain Python 🚗💨

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

19.SawyerHood / dev-browser

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

• claude-code
• playwright
• skills

20.joke2k / faker

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

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

21.dmtrKovalenko / odiff

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

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

22.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

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.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

25.jestjs / jest

Delightful JavaScript Testing.

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

26.ThrowTheSwitch / Unity

Simple unit testing for C

• c
• unit-testing

27.stretchr / testify

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

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

28.bats-core / bats-core

Bash Automated Testing System

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

29.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

30.tsenart / vegeta

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

• load-testing
• go
• benchmarking
• http

31.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

32.mailhog / MailHog

Web and API based SMTP testing

33.webdriverio / webdriverio

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

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

34.unionai-oss / pandera

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

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

35.tox-dev / tox

Command line driven CI frontend and development task automation tool.

• testing
• python
• virtualenv
• continuous-integration
• cli
• automation
• +2 more

36.pestphp / pest

The elegant testing framework for PHP developers and AI agents.

• php
• testing
• pest
• framework

37.FlaUI / FlaUI

UI automation library for .Net

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

38.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

39.karatelabs / karate

Test Automation Made Simple

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

40.mochajs / mocha

☕️ Classic, reliable, trusted test framework for Node.js and the browser

• mocha
• javascript
• testing
• tdd
• bdd
• browser
• +6 more

41.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

42.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

43.vitalets / playwright-bdd

BDD testing with Playwright runner

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

44.pointfreeco / swift-snapshot-testing

📸 Delightful Swift snapshot testing.

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

45.currents-dev / playwright-best-practices-skill

AI Skill for Playwright Best Practices—made by Currents.dev

• ai
• ai-skill
• ai-skills
• playwright
• playwright-typescript

46.evyatarmeged / Raccoon

A high performance offensive security tool for reconnaissance and vulnerability scanning

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

47.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

48.lk-geimfari / mimesis

Mimesis is a Python library for generating fake but realistic data in multiple languages and locales.

• mimesis
• fake
• data
• generator
• fixtures
• dummy
• +14 more

49.dotnet / BenchmarkDotNet

Powerful .NET library for benchmarking

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

50.testdino-hq / playwright-skill

TestDino Playwright Skill: AI-powered guides for Playwright best practices, made by testdino.com.

• ai
• ai-skills
• antigravity-skills
• claude-skills
• codex-skills
• cursor-skills
• +7 more

51.testing-library / react-testing-library

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

• reactjs
• testing
• javascript

52.wix / Detox

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

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

53.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

54.techinz / browsers-benchmark

Browser automation engine benchmark - Test bypass rates, performance & stealth against Cloudflare, DataDome, reCAPTCHA, Kasada, Imperva, Akamai, PerimeterX and other bot detection systems. Find the best browser for scraping.

• anti-detect
• antidetect-browser
• automation
• browser
• captcha
• patchright
• +4 more

55.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

56.Blazity / next-enterprise

💼 An enterprise-grade Next.js boilerplate for high-performance, maintainable apps. Packed with features like Tailwind CSS, TypeScript, ESLint, Prettier, testing tools, and more to accelerate your development.

• boilerplate
• chatgpt
• cva
• eslint
• jamstack
• javascript-ai
• +14 more

57.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.

58.nvim-java / nvim-java

Painless Java in Neovim

• autocompletion
• debugging
• diagnostics
• language-server-client
• language-server-protocol
• neovim
• +6 more

59.faker-ruby / faker

A library for generating fake data such as names, addresses, and phone numbers.

• fake
• ruby

60.cucumber / godog

Cucumber for golang

• golang
• gherkin
• integration-testing
• functional-testing

61.ai-dashboad / flutter-skill

AI-powered E2E testing for 10 platforms. 253 MCP tools. Zero config. Works with Claude, Cursor, Windsurf, Copilot. Test Flutter, React Native, iOS, Android, Web, Electron, Tauri, KMP, .NET MAUI — all from natural language.

• ai
• android
• automation
• claude
• cursor
• e2e-testing
• +14 more

62.sqlancer / sqlancer

Automated testing to find logic and performance bugs in database systems

• testing
• sql
• dbms
• fuzzing
• dbms-testing
• sqlite
• +5 more

63.forwardemail / supertest

🕷 Super-agent driven library for testing node.js HTTP servers using a fluent API. Maintained for @forwardemail, @ladjs, @spamscanner, @breejs, @cabinjs, and @lassjs.

• supertest
• superagent
• assertions
• node

64.testcontainers / testcontainers-dotnet

A library to support tests with throwaway instances of Docker containers for all compatible .NET Standard versions.

• automation
• dotnet
• docker
• testcontainers
• hacktoberfest
• testcontainers-dotnet
• +1 more

65.testcontainers / testcontainers-node

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.

• node
• docker
• testcontainers
• testing

66.avajs / ava

Node.js test runner that lets you develop with confidence 🚀

• test-runner
• ava
• javascript
• concurrency
• async-functions
• tap
• +12 more

67.codesenberg / bombardier

Fast cross-platform HTTP benchmarking tool written in Go

• fast
• http
• cli
• benchmarking
• bombardier
• go
• +6 more

68.microsoft / playwright-dotnet

.NET version of the Playwright testing and automation library.

• chrome
• chromium
• firefox
• webkit
• csharp
• playwright

69.hardkoded / puppeteer-sharp

Headless Chrome .NET API

• puppeteer
• chrome
• chromium
• automation
• crawler
• crawling
• +4 more

70.denji / awesome-http-benchmark

HTTP(S) benchmark tools, testing/debugging, & restAPI (RESTful)

• awesome
• awesome-list
• benchmark
• tools
• http
• https
• +12 more

71.microsoft / restler-fuzzer

RESTler is the first stateful REST API fuzzing tool for automatically testing cloud services through their REST APIs and finding security and reliability bugs in these services.

72.tarampampam / webhook-tester

🔭 Powerful tool for testing WebHooks and more

• webhook
• tests
• golang
• push-notifications
• tester
• websocket
• +4 more

73.nock / nock

HTTP server mocking and expectations library for Node.js

• http
• mock
• nock
• node
• javascript

74.onsi / ginkgo

A Modern Testing Framework for Go

• golang
• testing
• test
• test-driven-development
• bdd
• bdd-framework
• +1 more

75.devlooped / moq

The most popular and friendly mocking framework for .NET

76.shivammathur / setup-php

GitHub action to set up PHP with extensions, php.ini configuration, coverage drivers, and various tools.

• php
• github-actions
• php-extensions
• code-coverage
• tools
• continuous-integration
• +2 more

77.microsoft / testfx

This repository holds the source code of Microsoft.Testing.Platform (MTP), a lightweight alternative to VSTest, as well as MSTest adapter and framework.

• dotnet
• microsoft
• mstest
• test
• test-framework
• tdd
• +10 more

78.hagopj13 / node-express-boilerplate

A boilerplate for building production-ready RESTful APIs using Node.js, Express, and Mongoose

• nodejs
• express
• mongoose
• mongodb
• boilerplate
• starter
• +6 more

79.oguimbal / pg-mem

An in memory postgres DB instance for your unit tests

• hacktoberfest
• pg-promise
• typeorm
• node-postgres
• pg-mem
• postgresql
• +9 more

80.carlosas / phpat

✔️ PHP Architecture Tester - Easy architecture testing for PHP

• php
• static-analysis
• testing
• architecture
• linter
• phpstan-extension

81.arch-go / arch-go

Architecture checks for Go projects

• architecture
• go
• golang
• quality
• testing
• testing-automation
• +2 more

82.mockito / mockito

Most popular Mocking framework for unit tests written in Java

• mockito
• java
• mocking-framework
• testing-tools
• mocking
• mock
• +6 more

83.sschmid / Entitas

Entitas is a super fast Entity Component System (ECS) Framework specifically made for C# and Unity

• c-sharp
• unity
• ecs
• tdd
• performance
• design-pattern
• +10 more

84.codeceptjs / CodeceptJS

Supercharged End 2 End Testing Framework for NodeJS

• codeceptjs
• webdriverio
• selenium-webdriver
• acceptance-testing
• end-to-end-testing
• nodejs
• +11 more

85.cake-build / cake

:cake: Cake (C# Make) is a cross platform build automation system.

• c-sharp
• cake
• dotnet
• dotnetcore
• continuous-integration
• nuget
• +9 more

86.paratestphp / paratest

:computer: Parallel testing for PHPUnit

87.shellspec / shellspec

A full-featured BDD unit testing framework for bash, ksh, zsh, dash and all POSIX shells

• dash
• bash
• ksh
• zsh
• shell
• shell-script
• +11 more

88.mccutchen / go-httpbin

A reasonably complete and well-tested golang port of httpbin, with zero dependencies outside the go stdlib.

• httpbin
• golang
• testing
• http

89.react-cosmos / react-cosmos

Sandbox for developing and testing UI components in isolation

• react
• devtools
• ui
• components
• testing
• sandbox

90.coverlet-coverage / coverlet

Cross platform code coverage for .NET

• code-coverage
• dotnet-core
• unittest
• coverage
• cross-platform
• coverage-library
• +4 more

91.nunit / nunit

NUnit Framework

• nunit-framework
• tdd
• testing
• test-framework
• test-driven-development
• dotnet
• +3 more

92.litestar-org / polyfactory

Simple and powerful factories for mock data generation

• pydantic
• python
• dataclasses
• starlite
• hacktoberfest
• typeddict
• +6 more

93.bUnit-dev / bUnit

bUnit is a testing library for Blazor components that make tests look, feel, and runs like regular unit tests. bUnit makes it easy to render and control a component under test’s life-cycle, pass parameter and inject services into it, trigger event handlers, and verify the rendered markup from the component using a built-in semantic HTML comparer.

• razor-components
• unit-testing
• blazor
• blazor-components
• xunit
• nunit
• +8 more

94.reg-viz / reg-suit

:recycle: Visual Regression Testing tool

• visual-tests
• nodejs
• regression-testing
• automation-tests
• reg-suit

95.nightwatchjs / nightwatch

Integrated end-to-end testing framework written in Node.js and using W3C Webdriver API. Developed at @browserstack

• nightwatch
• javascript
• nodejs
• selenium
• webdriver
• end-to-end-testing
• +8 more

96.zuiidea / antd-admin

AI-friendly enterprise front-end best practices

• antd
• react
• mock
• admin
• dashboard

97.VerifyTests / Verify

Verify is a snapshot testing tool that simplifies the assertion of complex data models and documents.

• snapshot-testing
• testing
• assertion-library
• snapshot

98.lunarmodules / busted

Elegant Lua unit testing.

• lua
• testing

99.playwright-php / playwright

Playwright PHP library for browser automation: navigation, E2E tests, assertions, screenshots, and so much more!

• browser
• browser-automation
• php
• php-browser
• phpunit
• playwright
• +7 more

100.wemake-services / wemake-django-template

Bleeding edge django template focused on code quality and security.

• django
• docker
• caddy
• gitlab-ci
• pytest
• cookiecutter-template
• +4 more