1.HypothesisWorks / hypothesis
The property-based testing library for Python
+316 stars
from 8,818 · score 5.76
Trending repositories
Ranked by Attention Score: stars gained over the last 90 complete days
16 repositories by Attention Score · Aug 7, 2026 – Nov 4, 2026 (UTC)
2.web-platform-tests / wpt
Test suites for Web platform specs — including WHATWG, W3C, and others
- testing
- html
- test-automation
- browser
- w3c
- whatwg
- +13 more
+278 stars
from 6,026 · score 5.63
3.pester / Pester
Pester is the ubiquitous test and mock framework for PowerShell.
- powershell
- pester-tests
- powershell-tests
- assertions
- mocking
- mock
- +5 more
+66 stars
from 3,309 · score 4.20
4.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
+39 stars
from 2,173 · score 3.69
5.shouldly / shouldly
Should testing for .NET—the way assertions should be!
- assertion
- testing
- unit
- should
+30 stars
from 3,395 · score 3.43
6.xunit / xunit
xUnit.net is a free, open source, community-focused unit testing tool for .NET.
- unit-testing
- xunit
- c-sharp
- dotnet
+29 stars
from 4,583 · score 3.40
7.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
+13 stars
from 3,800 · score 2.64
8.QuickChick / QuickChick
Randomized Property-Based Testing Plugin for Coq
+7 stars
from 290 · score 2.08
9.tapjs / tapjs
Test Anything Protocol tools for node
- assert
- bdd
- code-coverage
- commonjs
- esm
- framework
- +7 more
+6 stars
from 2,419 · score 1.95
+6 stars
from 937 · score 1.95
11.smartystreets / goconvey
Go testing in the browser. Integrates with `go test`. Write behavioral tests in Go.
- testing-tools
- tdd-utilities
- bdd-framework
- go
- goconvey
+5 stars
from 8,391 · score 1.79
12.serenity-bdd / serenity-core
Serenity BDD is a test automation library designed to make writing automated acceptance tests easier, and more fun.
+3 stars
from 753 · score 1.39
13.nette / tester
Tester: enjoyable unit testing in PHP with code coverage reporter. 🍏🍏🍎🍏
- nette
- nette-framework
- tester
- unit-testing
- phpunit
- php
- +5 more
+2 stars
from 483 · score 1.10
14.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
+1 stars
from 1,708 · score 0.69
15.etorreborre / specs2
Software Specifications for Scala
+1 stars
from 734 · score 0.69
16.gotestyourself / gotest.tools
A collection of packages to augment the go testing package and support common patterns.
+1 stars
from 575 · score 0.69