Top 4 C# Mock Projects

NSubstitute

11 2,545 7.4 C#

A friendly substitute for .NET mocking libraries.

Project mention: What am I missing about interfaces? | /r/csharp | 2023-11-23

a. you might do so purely out of argo cult, i.e. because someone told you this was the right thing to do™, and that's a silly exercise. b. you could also be doing this for a good reason: to use the interface with a mocking tool like NSubstitute

System.IO.Abstractions

1 1,457 8.7 C#

Just like System.Web.Abstractions, but for System.IO. Yay for testable IO access!
InfluxDB

www.influxdata.com sponsored

Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.
Mockaco

1 317 7.6 C#

🐵 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
CreateAndFake

2 11 4.7 C#

A C# class library that handles mocking, test data generation, and validation.

NOTE: The open source projects on this list are ordered by number of github stars. The number of mentions indicates repo mentiontions in the last 12 Months or since we started tracking (Dec 2020). The latest post mention was on 2023-11-23.