A mocking library for testing stripe ruby

MockK - mocking framework for Kotlin http://mockk.io

The easy mocking library for .NET - http://fakeiteasy.github.io

Highly opinionated mocking framework for PHP 5.3+

EasyMock, making mocking easier since 2001

WireMock.Net is a flexible library for stubbing and mocking web HTTP responses using requests matching criteria.

Ouzo Framework - PHP MVC ORM

CppUTest unit testing and mocking framework for C/C++

This is a specs2 adapter + DSL for using the popular mocking framework JMock

The easy mocking library for .NET

Room For All Things Mockfoundry. https://gitlab.com/koficodedat/mockfoundry