1.HypothesisWorks / hypothesis
The property-based testing library for Python
+575 stars
from 8,559 · score 6.36
Trending repositories
Ranked by Attention Score: stars gained over the last 180 complete days
64 repositories by Attention Score · May 9, 2026 – Nov 4, 2026 (UTC)
2.metersphere / metersphere
TranslatedMeterSphere is a new-generation open-source continuous testing tool with a built-in AI assistant, making software testing simpler and more efficient so that it no longer becomes a bottleneck for continuous delivery.
- jmeter
- testing
- test-automation
- api-testing
- testcase
- testlink
- +5 more
+526 stars
from 13,085 · score 6.27
3.web-platform-tests / wpt
Test suites for Web platform specs — including WHATWG, W3C, and others
- testing
- html
- test-automation
- browser
- w3c
- whatwg
- +13 more
+448 stars
from 5,856 · score 6.11
+354 stars
from 40,069 · score 5.87
5.faker-js / faker
Generate massive amounts of fake data in the browser and node.js
- faker
- data
- fake
- nodejs
- browser
- javascript
- +1 more
+345 stars
from 15,196 · score 5.85
6.bchavez / Bogus
:card_index: A simple fake data generator for C#, F#, and VB.NET. Based on and ported from the famed faker.js.
- fake
- data
- generator
- dotnet
- csharp
- faker
- +8 more
+136 stars
from 9,616 · score 4.92
7.pester / Pester
Pester is the ubiquitous test and mock framework for PowerShell.
- powershell
- pester-tests
- powershell-tests
- assertions
- mocking
- mock
- +5 more
+112 stars
from 3,263 · score 4.73
8.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.
+102 stars
from 19,225 · score 4.63
9.bencherdev / bencher
🐰 Bencher - Continuous Benchmarking
+94 stars
from 831 · score 4.55
10.mbj / mutant
Mutation testing for Ruby. AI writes your code. AI writes your tests. But who tests the tests?
- mutation-testing
- ruby
- coverage
- rspec
- minitest
- code-review
- +4 more
+80 stars
from 2,132 · score 4.39
11.xunit / xunit
xUnit.net is a free, open source, community-focused unit testing tool for .NET.
- unit-testing
- xunit
- c-sharp
- dotnet
+71 stars
from 4,541 · score 4.28
12.shouldly / shouldly
Should testing for .NET—the way assertions should be!
- assertion
- testing
- unit
- should
+67 stars
from 3,358 · score 4.22
13.DATA-DOG / go-sqlmock
Sql mock driver for golang to test database interactions
+60 stars
from 6,512 · score 4.11
14.FakerPHP / Faker
Faker is a PHP library that generates fake data for you
+60 stars
from 3,941 · score 4.11
15.vcr / vcr
Record your test suite's HTTP interactions and replay them during future test runs for fast, deterministic, accurate tests.
+53 stars
from 6,030 · score 3.99
+53 stars
from 3,239 · score 3.99
17.nsubstitute / NSubstitute
A friendly substitute for .NET mocking libraries.
- c-sharp
- dotnet
- dot-net
- testing
- testing-tools
- test
- +6 more
+46 stars
from 2,937 · score 3.85
18.menzi11 / BullshitGenerator
Needs to generate some texts to test if my GUI rendering codes good or not. so I made this.
+41 stars
from 15,462 · score 3.74
19.SmartBear / soapui
SoapUI is a free and open source cross-platform functional testing solution for APIs and web services.
- open-source
- on-prem
- soapui-oss
+35 stars
from 1,683 · score 3.58
20.ByteSnipers / mobile-pentest-toolkit
The MPT (Mobile Pentest Toolkit) is a must-have solution for your android penetration testing workflow.
- android
- android-pentesting
- mobile
- mobile-pentest
- pentest-tool
- mobile-pentest-toolkit
- +2 more
+34 stars
from 66 · score 3.56
21.meekrosoft / fff
A testing micro framework for creating function test doubles
+31 stars
from 910 · score 3.47
22.cloudflare / telescope
Cross-browser web performance testing agent
+30 stars
from 279 · score 3.43
+29 stars
from 19,527 · score 3.40
24.facebookarchive / WebDriverAgentArchived
A WebDriver server for iOS that runs inside the Simulator.
+28 stars
from 4,235 · score 3.37
25.fluentassertions / fluentassertions
A very extensive set of extension methods that allow you to more naturally specify the expected outcome of a TDD or BDD-style unit tests. Targets .NET Framework 4.7, as well as .NET Core 2.1, .NET Core 3.0, .NET 6, .NET Standard 2.0 and 2.1. Supports the unit test frameworks MSTest2, NUnit3, XUnit2, MSpec, and NSpec3.
- fluent-assertions
- c-sharp
- assertions
- tdd
- bdd-style
- unit-testing
- +3 more
+28 stars
from 3,785 · score 3.37
26.sinonjs / sinon
Test spies, stubs and mocks for JavaScript.
- stubs
- javascript
- tdd
- test-driven-development
- unit-testing
- sinon
- +2 more
+24 stars
from 9,727 · score 3.22
27.yandex / yandex-tank
Load and performance benchmark tool
- python
- load-testing
- performance
- performance-test
- framework
+24 stars
from 2,576 · score 3.22
28.kif-framework / KIF
Keep It Functional - An iOS Functional Testing Framework
+23 stars
from 6,222 · score 3.18
29.pashagolub / pgxmock
pgx mock driver for golang to test database interactions
- pgx
- postgresql
- tdd
- postgres
- golang
- go
- +2 more
+21 stars
from 578 · score 3.09
+20 stars
from 4,880 · score 3.04
+19 stars
from 924 · score 3.00
+19 stars
from 772 · score 3.00
33.las-team / lastest
Lastest Visual Regression Testing - Cloud/Self-hosted version
- ai-testing
- mcp
- mcp-server
- model-context-protocol
- nextjs
- playwright
- +4 more
+18 stars
from 3 · score 2.94
34.tapjs / tapjs
Test Anything Protocol tools for node
- assert
- bdd
- code-coverage
- commonjs
- esm
- framework
- +7 more
+14 stars
from 2,411 · score 2.71
35.QuickChick / QuickChick
Randomized Property-Based Testing Plugin for Coq
+13 stars
from 284 · score 2.64
36.smartystreets / goconvey
Go testing in the browser. Integrates with `go test`. Write behavioral tests in Go.
- testing-tools
- tdd-utilities
- bdd-framework
- go
- goconvey
+12 stars
from 8,384 · score 2.56
+12 stars
from 1,891 · score 2.56
+9 stars
from 900 · score 2.30
39.imposter-project / imposter
Scriptable, multipurpose mock server. Run standalone mock servers, or embed mocks within your tests or CI/CD pipeline.
+8 stars
from 406 · score 2.20
40.DigitalInBlue / Celero
C++ Benchmark Authoring Library/Framework
- benchmark
- benchmark-tests
- measurements
- c-plus-plus
- celero
- microbenchmarks
+7 stars
from 857 · score 2.08
41.appium / appium-docker-android
Appium Server setup to automate android testing on real devices
- android
- docker
- appium
- docker-container
- docker-image
- dockerfile
- +2 more
+7 stars
from 665 · score 2.08
42.Subito-it / SBTUITestTunnel
Enable network mocks and more in UI Tests
- cocoapods
- testing-tools
- stub
- network-monitoring
- xcode
- xcodebuild
- +3 more
+7 stars
from 367 · score 2.08
+7 stars
from 171 · score 2.08
44.Intel-bigdata / HiBenchArchived
HiBench is a big data benchmark suite.
+6 stars
from 1,477 · score 1.95
45.serenity-bdd / serenity-core
Serenity BDD is a test automation library designed to make writing automated acceptance tests easier, and more fun.
+6 stars
from 750 · score 1.95
46.theintern / intern
A next-generation code testing stack for JavaScript.
+5 stars
from 4,336 · score 1.79
47.freerange / mocha
A mocking and stubbing library for Ruby
+5 stars
from 1,277 · score 1.79
48.nette / tester
Tester: enjoyable unit testing in PHP with code coverage reporter. 🍏🍏🍎🍏
- nette
- nette-framework
- tester
- unit-testing
- phpunit
- php
- +5 more
+5 stars
from 480 · score 1.79
+5 stars
from 353 · score 1.79
50.gotwarlost / istanbulArchived
Yet another JS code coverage tool that computes statement, line, function and branch coverage with module loader hooks to transparently add coverage when running tests. Supports all JS coverage use cases including unit tests, server side functional tests and browser tests. Built for scale.
+4 stars
from 8,645 · score 1.61
51.bestiejs / benchmark.jsArchived
A benchmarking library. As used on jsPerf.com.
+4 stars
from 5,444 · score 1.61
52.ivaylokenov / MyTested.AspNetCore.Mvc
Fluent testing library for ASP.NET Core MVC.
- asp-net-core
- mvc
- fluent-testing
- assertion-methods
- assertion-library
- asp-net-core-mvc
- +1 more
+4 stars
from 1,705 · score 1.61
53.OpenCover / opencoverArchived
A code coverage tool for .NET 2 and above (WINDOWS OS only), support for 32 and 64 processes with both branch and sequence points
+4 stars
from 1,317 · score 1.61
54.DATA-DOG / go-txdb
Immutable transaction isolated sql driver for golang
- sql-driver
- integration-testing
- go
- golang
- tdd
- sql
- +1 more
+4 stars
from 745 · score 1.61
55.natenho / Mockaco
🐵 HTTP mock server, useful to stub services and simulate dynamic API responses, leveraging ASP.NET Core features, built-in fake data generation and pure C# scripting
- csharp
- mock-server
- roslyn
- faker
- mocks-generator
- aspnet
- +11 more
+4 stars
from 347 · score 1.61
+3 stars
from 1,817 · score 1.39
57.CATIA-Systems / FMIKit-SimulinkArchived
Import and export Functional Mock-up Units with Simulink
- fmi
- simulink-toolbox
- fmi-standard
+3 stars
from 180 · score 1.39
58.Ortus-Solutions / TestBox
TestBox is a cutting-edge testing and mocking framework for the BoxLang JVM language and ColdFusion (CFML), built on Behavior-Driven Development (BDD) to offer a clear and intuitive syntax for writing tests.
+3 stars
from 70 · score 1.39
+2 stars
from 593 · score 1.10
60.seleniumQuery / seleniumQuery
jQuery-like cross-driver interface in Java for Selenium WebDriver
+2 stars
from 73 · score 1.10
61.LIJI32 / SameSuite
A suite of Game Boy tests, used for hardware research and emulator testing
+2 stars
from 47 · score 1.10
62.TheAcmada / gwirian
A modern test scenario management platform for QA engineers and managers. Create, organize, and track test scenarios with a modern BDD approach.
- quality-assurance
- testing
+2 stars
from 2 · score 1.10
63.kyoh86 / richgo
Enrich `go test` outputs with text decorations.
+1 stars
from 855 · score 0.69
64.etorreborre / specs2
Software Specifications for Scala
+1 stars
from 734 · score 0.69