1.microsoft / playwright
Playwright is a framework for Web Testing and Automation. It allows testing Chromium, Firefox and WebKit with a single API.
+2,137 stars
from 96,923 · score 7.67
Trending repositories
Ranked by Attention Score: stars gained over the last 30 complete days
52 repositories by Attention Score · Oct 4, 2026 – Nov 2, 2026 (UTC)
2.usebruno / bruno
Opensource IDE For Exploring and Testing API's (lightweight alternative to Postman/Insomnia)
+727 stars
from 47,253 · score 6.59
3.keploy / keploy
Open-source platform for creating safe, isolated production sandboxes for API, integration, and E2E testing.
+506 stars
from 18,468 · score 6.23
4.hoppscotch / hoppscotch
Open-Source API Development Ecosystem • https://hoppscotch.io • Offline, On-Prem & Cloud • Web, Desktop & CLI • Open-Source Alternative to Postman, Insomnia
+248 stars
from 80,469 · score 5.52
5.vitest-dev / vitest
Next generation testing framework powered by Vite.
+166 stars
from 17,158 · score 5.12
6.stryker-mutator / stryker-js
Mutation testing for JavaScript and friends
+149 stars
from 3,161 · score 5.01
7.Orange-OpenSource / hurl
Hurl, run and test HTTP requests with plain text.
+77 stars
from 19,216 · score 4.36
8.bats-core / bats-core
Bash Automated Testing System
+45 stars
from 6,291 · score 3.83
9.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.
+42 stars
from 1,244 · score 3.76
10.unionai-oss / pandera
A light-weight, flexible, and expressive statistical data testing library
+37 stars
from 4,470 · score 3.64
11.FlaUI / FlaUI
UI automation library for .Net
+37 stars
from 3,154 · score 3.64
12.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! ⚡
+37 stars
from 1,173 · score 3.64
13.mochajs / mocha
☕️ Classic, reliable, trusted test framework for Node.js and the browser
+36 stars
from 22,877 · score 3.61
14.karatelabs / karate
Test Automation Made Simple
+33 stars
from 8,969 · score 3.53
15.GreenmaskIO / greenmask
Database anonymization and test data management
+27 stars
from 1,771 · score 3.33
16.sebastianbergmann / phpunit
The PHP Unit Testing framework.
+25 stars
from 20,052 · score 3.26
17.testdino-hq / playwright-skill
TestDino Playwright Skill: AI-powered guides for Playwright best practices, made by testdino.com.
+25 stars
from 382 · score 3.26
18.wix / Detox
Gray box end-to-end testing and automation framework for mobile apps
+23 stars
from 12,028 · score 3.18
19.goss-org / goss
Quick and Easy server testing/validation
+20 stars
from 5,980 · score 3.04
20.Hakky54 / certificate-ripper
🔐 A CLI tool to extract server certificates
+20 stars
from 927 · score 3.04
21.kiwitcms / Kiwi
open source test management system with over 2 million downloads!
+18 stars
from 1,265 · score 2.94
22.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.
+18 stars
from 380 · score 2.94
23.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.
+15 stars
from 19,310 · score 2.77
24.mockito / mockito
Most popular Mocking framework for unit tests written in Java
+12 stars
from 15,440 · score 2.56
25.SpectoLabs / hoverfly
Lightweight service virtualization/ API simulation / API mocking tool for developers and testers
+12 stars
from 2,521 · score 2.56
26.cweill / gotests
Automatically generate Go test boilerplate from your source code.
+11 stars
from 5,329 · score 2.48
27.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.
+11 stars
from 1,046 · score 2.48
28.arch-go / arch-go
Architecture checks for Go projects
+9 stars
from 273 · score 2.30
29.mojoaxel / awesome-regression-testing
🕶️ A curated list of resources around the topic: visual regression testing
+8 stars
from 2,417 · score 2.20
30.nsubstitute / NSubstitute
A friendly substitute for .NET mocking libraries.
+7 stars
from 2,976 · score 2.08
31.ashishb / adb-enhanced
🔪Swiss-army knife for Android testing and development 🔪 ⛺
+7 stars
from 1,392 · score 2.08
32.alexei-led / pumba
Chaos testing, network emulation, and stress testing tool for containers
+6 stars
from 3,176 · score 1.95
33.stepci / stepci
Automated API Testing and Quality Assurance
+6 stars
from 1,867 · score 1.95
34.lambdaisland / kaocha
Full featured next gen Clojure test runner
+6 stars
from 861 · score 1.95
35.microsoft / playwright-pytest
Pytest plugin to write end-to-end browser tests with Playwright.
+6 stars
from 563 · score 1.95
36.nut-tree / nut.js
Native UI testing / controlling with node
+5 stars
from 2,848 · score 1.79
37.grafana / awesome-k6
A curated list of awesome tools, content and projects using k6
+5 stars
from 778 · score 1.79
38.google / EarlGrey
:tea: iOS UI Automation Test Framework
+3 stars
from 5,697 · score 1.39
39.elixirs / faker
Faker is a pure Elixir library for generating fake data.
+3 stars
from 1,198 · score 1.39
40.smartystreets / goconvey
Go testing in the browser. Integrates with `go test`. Write behavioral tests in Go.
+2 stars
from 8,394 · score 1.10
41.xnbox / DeepfakeHTTP
DeepfakeHTTP is a web server that uses HTTP dumps as a source for responses.
+2 stars
from 522 · score 1.10
42.Subito-it / SBTUITestTunnel
Enable network mocks and more in UI Tests
+2 stars
from 372 · score 1.10
43.vladopajic / go-test-coverage
go-test-coverage is a tool designed to report issues when test coverage falls below a specified threshold
+2 stars
from 240 · score 1.10
44.getgauge / taiko
A node.js library for testing modern web applications
+1 stars
from 3,672 · score 0.69
45.DatabaseCleaner / database_cleaner
Strategies for cleaning databases in Ruby. Can be used to ensure a clean state for testing.
+1 stars
from 2,965 · score 0.69
46.gemini-testing / geminiArchived
💀💀💀[DEPRECATED] Use hermione
+1 stars
from 1,506 · score 0.69
47.alphasoc / flightsim
A utility to safely generate malicious network traffic patterns and evaluate controls.
+1 stars
from 1,365 · score 0.69
48.mfridman / tparse
CLI tool for summarizing go test output. Pipe friendly. CI/CD friendly.
+1 stars
from 1,259 · score 0.69
49.KnapsackPro / knapsack
Knapsack splits tests evenly across parallel CI nodes to run fast CI build and save you time.
+1 stars
from 549 · score 0.69
50.darklynx / request-baskets
HTTP requests collector to test webhooks, notifications, REST clients and more ...
+1 stars
from 430 · score 0.69
51.kznr02 / OpenTester
AI-Drived end-to-end test platform
+1 stars
from 28 · score 0.69
52.Nikita-Filonov / tests-coverage-tool
Ultimate tool to measure gRPC service coverage from tests
+1 stars
from 11 · score 0.69