1.microsoft / playwright
Playwright is a framework for Web Testing and Automation. It allows testing Chromium, Firefox and WebKit with a single API.
+11,535 stars
from 87,525 · score 9.35
Trending repositories
Ranked by Attention Score: stars gained over the last 180 complete days
66 repositories by Attention Score · May 7, 2026 – Nov 2, 2026 (UTC)
2.usebruno / bruno
Opensource IDE For Exploring and Testing API's (lightweight alternative to Postman/Insomnia)
+4,832 stars
from 43,148 · score 8.48
3.keploy / keploy
Open-source platform for creating safe, isolated production sandboxes for API, integration, and E2E testing.
+2,368 stars
from 16,606 · score 7.77
4.hoppscotch / hoppscotch
Open-Source API Development Ecosystem • https://hoppscotch.io • Offline, On-Prem & Cloud • Web, Desktop & CLI • Open-Source Alternative to Postman, Insomnia
+2,191 stars
from 78,526 · score 7.69
5.vitest-dev / vitest
Next generation testing framework powered by Vite.
+962 stars
from 16,362 · score 6.87
6.Orange-OpenSource / hurl
Hurl, run and test HTTP requests with plain text.
+512 stars
from 18,781 · score 6.24
7.stryker-mutator / stryker-js
Mutation testing for JavaScript and friends
+467 stars
from 2,843 · score 6.15
8.bats-core / bats-core
Bash Automated Testing System
+334 stars
from 6,002 · score 5.81
9.FlaUI / FlaUI
UI automation library for .Net
+267 stars
from 2,924 · score 5.59
10.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.
+249 stars
from 1,037 · score 5.52
11.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! ⚡
+221 stars
from 989 · score 5.40
12.wix / Detox
Gray box end-to-end testing and automation framework for mobile apps
+201 stars
from 11,850 · score 5.31
13.karatelabs / karate
Test Automation Made Simple
+201 stars
from 8,801 · score 5.31
14.unionai-oss / pandera
A light-weight, flexible, and expressive statistical data testing library
+201 stars
from 4,306 · score 5.31
15.testdino-hq / playwright-skill
TestDino Playwright Skill: AI-powered guides for Playwright best practices, made by testdino.com.
+187 stars
from 220 · score 5.24
16.alexei-led / pumba
Chaos testing, network emulation, and stress testing tool for containers
+174 stars
from 3,008 · score 5.16
17.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.
+171 stars
from 227 · score 5.15
18.sebastianbergmann / phpunit
The PHP Unit Testing framework.
+143 stars
from 19,934 · score 4.97
19.GreenmaskIO / greenmask
Database anonymization and test data management
+135 stars
from 1,663 · score 4.91
20.mochajs / mocha
☕️ Classic, reliable, trusted test framework for Node.js and the browser
+130 stars
from 22,783 · score 4.88
21.goss-org / goss
Quick and Easy server testing/validation
+128 stars
from 5,872 · score 4.86
22.mockito / mockito
Most popular Mocking framework for unit tests written in Java
+111 stars
from 15,341 · score 4.72
23.kiwitcms / Kiwi
open source test management system with over 2 million downloads!
+105 stars
from 1,178 · score 4.66
24.probelabs / goreplay
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.
+100 stars
from 19,225 · score 4.62
25.cweill / gotests
Automatically generate Go test boilerplate from your source code.
+70 stars
from 5,270 · score 4.26
26.nut-tree / nut.js
Native UI testing / controlling with node
+70 stars
from 2,783 · score 4.26
27.SpectoLabs / hoverfly
Lightweight service virtualization/ API simulation / API mocking tool for developers and testers
+58 stars
from 2,475 · score 4.08
28.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.
+55 stars
from 1,002 · score 4.03
29.mojoaxel / awesome-regression-testing
🕶️ A curated list of resources around the topic: visual regression testing
+49 stars
from 2,376 · score 3.91
30.nsubstitute / NSubstitute
A friendly substitute for .NET mocking libraries.
+47 stars
from 2,936 · score 3.87
31.Hakky54 / certificate-ripper
🔐 A CLI tool to extract server certificates
+44 stars
from 903 · score 3.81
32.google / EarlGrey
:tea: iOS UI Automation Test Framework
+41 stars
from 5,659 · score 3.74
33.stepci / stepci
Automated API Testing and Quality Assurance
+38 stars
from 1,835 · score 3.66
34.rubycdp / cuprite
Headless Chrome/Chromium driver for Capybara
+36 stars
from 1,362 · score 3.61
35.ashishb / adb-enhanced
🔪Swiss-army knife for Android testing and development 🔪 ⛺
+34 stars
from 1,365 · score 3.56
36.grafana / awesome-k6
A curated list of awesome tools, content and projects using k6
+33 stars
from 750 · score 3.53
37.DevExpress / testcafe
A Node.js tool to automate end-to-end web testing.
+30 stars
from 9,864 · score 3.43
38.microsoft / playwright-pytest
Pytest plugin to write end-to-end browser tests with Playwright.
+30 stars
from 539 · score 3.43
39.arch-go / arch-go
Architecture checks for Go projects
+29 stars
from 253 · score 3.40
40.lost-pixel / lost-pixelArchived
Open source alternative to Percy, Chromatic, Applitools.
+25 stars
from 1,651 · score 3.26
41.mfridman / tparse
CLI tool for summarizing go test output. Pipe friendly. CI/CD friendly.
+22 stars
from 1,238 · score 3.14
42.elixirs / faker
Faker is a pure Elixir library for generating fake data.
+18 stars
from 1,183 · score 2.94
43.getgauge / taiko
A node.js library for testing modern web applications
+16 stars
from 3,657 · score 2.83
44.vladopajic / go-test-coverage
go-test-coverage is a tool designed to report issues when test coverage falls below a specified threshold
+16 stars
from 226 · score 2.83
45.alphasoc / flightsim
A utility to safely generate malicious network traffic patterns and evaluate controls.
+15 stars
from 1,351 · score 2.77
46.smartystreets / goconvey
Go testing in the browser. Integrates with `go test`. Write behavioral tests in Go.
+13 stars
from 8,383 · score 2.64
47.lambdaisland / kaocha
Full featured next gen Clojure test runner
+13 stars
from 854 · score 2.64
48.darklynx / request-baskets
HTTP requests collector to test webhooks, notifications, REST clients and more ...
+12 stars
from 419 · score 2.56
49.DatabaseCleaner / database_cleaner
Strategies for cleaning databases in Ruby. Can be used to ensure a clean state for testing.
+11 stars
from 2,955 · score 2.48
50.alexfernandez / loadtest
Runs a load test on the selected URL. Fast and easy to use. Can be integrated in your own workflow using the API.
+10 stars
from 2,620 · score 2.40
51.qiniu / goc
A Comprehensive Coverage Testing System for The Go Programming Language
+9 stars
from 864 · score 2.30
52.zuplo / mockbin
Mockbin by Zuplo. Mock, Test, and View HTTP Requests and Responses
+9 stars
from 134 · score 2.30
53.Subito-it / SBTUITestTunnel
Enable network mocks and more in UI Tests
+7 stars
from 367 · score 2.08
54.mocktools / go-smtp-mock
SMTP mock server written on Golang. Mimic any 📤 SMTP server behavior for your test environment with fake SMTP server.
+7 stars
from 163 · score 2.08
55.newsuk / AyeSpy
A performant visual regression testing tool
+6 stars
from 216 · score 1.95
56.KnapsackPro / knapsack
Knapsack splits tests evenly across parallel CI nodes to run fast CI build and save you time.
+5 stars
from 545 · score 1.79
57.xnbox / DeepfakeHTTP
DeepfakeHTTP is a web server that uses HTTP dumps as a source for responses.
+5 stars
from 519 · score 1.79
58.gemini-testing / geminiArchived
💀💀💀[DEPRECATED] Use hermione
+4 stars
from 1,503 · score 1.61
59.zunit-zsh / zunit
A powerful testing framework for ZSH projects
+4 stars
from 222 · score 1.61
60.adamluzsi / testcase
testcase is an opinionated testing framework to support test driven design.
+4 stars
from 129 · score 1.61
61.kznr02 / OpenTester
AI-Drived end-to-end test platform
+4 stars
from 25 · score 1.61
62.serpro69 / kotlin-faker
Port of a popular ruby faker gem written in kotlin. Generate realistically looking fake data such as names, addresses, banking details, and many more, that can be used for testing and data anonymization purposes.
+3 stars
from 508 · score 1.39
63.Evaliphy / evaliphy
The E2E AI testing tool | No ML Overhead
+3 stars
from 15 · score 1.39
64.trytouca / trytouca
Continuous Regression Testing for Engineering Teams
+2 stars
from 507 · score 1.10
65.seborama / govcr
HTTP mock for Golang: record and replay HTTP/HTTPS interactions for offline testing
+2 stars
from 198 · score 1.10
66.SpectoLabs / hoverfly-java
Java binding for Hoverfly
+2 stars
from 175 · score 1.10