Typemock Typemock.Isolator by: Typemock .NET 6.0 This package targets .NET 6.0. The package is compatible with this framework or higher. .NET Framework 4.5 This package targets .NET Framework 4.5. The package is compatible with this framework or higher. 1,295,307 total downloads last updated 2/15/2026 Latest version: 9.4.1 Test Mocks UnitTest Tdd Mocking Agile Unittesting It's what a Mocking Framework should be. Powerful. And it's the first of its kind.