1.dotnet / BenchmarkDotNet
Powerful .NET library for benchmarking
- benchmark
- benchmarking
- c-sharp
- dotnet
- performance
- csharp
- +1 more
+164 stars
from 11,363 · score 5.11
Trending repositories
Ranked by Attention Score: stars gained over the last 180 complete days
32 repositories by Attention Score · May 8, 2026 – Nov 3, 2026 (UTC)
2.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
+139 stars
from 9,614 · score 4.94
3.stryker-mutator / stryker-net
Mutation testing for .NET core and .NET framework!
- mutation-testing
- stryker
- dotnet-core
- dotnet-framework
- hacktoberfest
- dotnet-stryker
+136 stars
from 1,985 · score 4.92
4.TNG / ArchUnitNET
A C# architecture test library to specify and assert architecture rules in C# for automated testing.
+117 stars
from 1,277 · score 4.77
5.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
+91 stars
from 4,282 · score 4.52
6.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 4,540 · score 4.28
7.ChangemakerStudios / Papercut-SMTP
Papercut SMTP -- The Simple Desktop Email Server
+70 stars
from 3,267 · score 4.26
8.AnthonyLloyd / CsCheck
Random testing library for C#
- quickcheck
- testing
- random
- regression-testing
- performance-testing
- concurrency-testing
- +6 more
+69 stars
from 202 · score 4.25
+68 stars
from 6,346 · score 4.23
10.VerifyTests / Verify
Verify is a snapshot testing tool that simplifies the assertion of complex data models and documents.
- snapshot-testing
- testing
- assertion-library
- snapshot
+67 stars
from 3,406 · score 4.22
11.shouldly / shouldly
Should testing for .NET—the way assertions should be!
- assertion
- testing
- unit
- should
+67 stars
from 3,358 · score 4.22
12.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
+55 stars
from 1,002 · score 4.03
13.coverlet-coverage / coverlet
Cross platform code coverage for .NET
- code-coverage
- dotnet-core
- unittest
- coverage
- cross-platform
- coverage-library
- +4 more
+46 stars
from 3,135 · score 3.85
14.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
15.FakeItEasy / FakeItEasy
The easy mocking library for .NET
- mocking
- fake-objects
- dotnet
- dotnet-core
- hacktoberfest
+33 stars
from 1,821 · score 3.53
16.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
+31 stars
from 1,279 · score 3.47
17.nunit / nunit
NUnit Framework
- nunit-framework
- tdd
- testing
- test-framework
- test-driven-development
- dotnet
- +3 more
+30 stars
from 2,602 · score 3.43
18.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
19.AutoFixture / AutoFixture
AutoFixture is an open source library for .NET designed to minimize the 'Arrange' phase of your unit tests in order to maximize maintainability. Its primary goal is to allow developers to focus on what is being tested rather than how to setup the test scenario, by making it easier to create object graphs containing test data.
- assertion-library
- assertions
- auto-mocking
- autofixture
- dotnet
- fakeiteasy
- +13 more
+28 stars
from 3,510 · score 3.37
20.LightBDD / LightBDD
BDD framework allowing to create easy to read and maintain tests.
- nunit
- mbunit
- xunit
- mstest
- bdd-style
- test-framework
- +6 more
+21 stars
from 457 · score 3.09
21.richardszalay / mockhttp
Testing layer for Microsoft's HttpClient library. Create canned responses using a fluent API.
+13 stars
from 1,751 · score 2.64
22.fullstackproltd / AspNetCoreSpa
Asp.Net 7.0 & Angular 15 SPA Fullstack application with plenty of examples. Live demo:
- aspnetcore
- angular-cli
- efcore
- best-practices
- spa
- compodoc
- +7 more
+10 stars
from 1,525 · score 2.40
23.mariotoffia / FluentDocker
Use docker/podman, compose local and remote via a FluentAPI
+10 stars
from 1,378 · score 2.40
24.dariusz-wozniak / List-of-Testing-Tools-and-Frameworks-for-.NET
✅ List of Automated Testing (TDD/BDD/ATDD/SBE) Tools and Frameworks for .NET
- tdd
- test-driven-development
- dotnet
- atdd
- acceptance-test-driven-development
- acceptance-testing
- +13 more
+10 stars
from 581 · score 2.40
+9 stars
from 2,814 · score 2.30
26.MADE-Apps / legerity
A framework for speeding up the development of automated UI tests for Windows, Android, iOS, and Web with Appium/Selenium on .NET
+8 stars
from 86 · score 2.20
+5 stars
from 1,342 · score 1.79
28.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
29.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
30.atata-framework / atata
C#/.NET test automation framework for web
+3 stars
from 499 · score 1.39
31.Warewolf-ESB / Warewolf
Effortless Microservice Design and Integration. This repository includes the code-base for the Warewolf Studio and Server.
- warewolf
- c-sharp
- eula
- microservices
- flow-based-programming
- flowchart
- +14 more
+3 stars
from 277 · score 1.39
32.itlibrium / DDD-starter-dotnet
Sample implementation and comparison of various approaches to building DDD applications. Useful as a baseline to quickly start a DDD dot net project.
- ddd
- ddd-example
- ddd-patterns
- hexagonal-architecture
- bdd
- event-sourcing
- +1 more
+2 stars
from 403 · score 1.10