dotCover
The .NET Unit Test Runner and Code Coverage Tool.
JetBrains dotCover is a .NET unit test runner and code coverage tool that integrates with Visual Studio and JetBrains Rider.
Make sure you know to what extent your code is covered with unit tests. dotCover calculates and reports statement-level code coverage in applications targeting .NET Framework, .NET Core, Mono, or Mono for Unity.
See Also
Continuous Testing (tip)
Run your tests in the background, while you code.
Hot Spots (tip)
Find areas of your code base that may need better test coverage.
Unit Testing For ReSharper Users (part of tutorial)
Learn the basics of the unit testing in Rider from a Visual Studio + ReSharper user's perspective.
Unit Testing with Rider (part of tutorial)
Learn how Rider can help make sure code behaves as expected, with continuous testing and code coverage.
Writing and Running Unit Tests with ReSharper (part of tutorial)
Run, debug and profile tests, do continuous testing, and inspect code coverage.