Top 9 testability open source projects

The Functional toolkit for Kotlin HTTP applications. http4k provides a simple and uniform way to serve, consume, and test HTTP services.

PowerMock is a Java framework that allows you to unit test code normally regarded as untestable.

A library for building applications in a consistent and understandable way, with composition, testing, and ergonomics in mind.

Interfaces for commonly used .NET types like `File`, `Directory`, `Stream`, `Path`, `Math`, `Environment`, `Task`, etc. for better testability.

Sample App to learn a testable design (Smalltalk flavored MVC)

Make your data processing easy

Hard-to-test patterns in C++ and how to refactor them

Extension for SeleniumLibrary that provides manual and automatic waiting for asyncronous events like fetch, xhr, etc.

A light abstraction around Dapper and Dapper.Contrib that also maintains the behavior IDbConnection.