Gradle is described as 'Build tool with a focus on build automation and support for multi-language development. If you are building, testing, publishing, and deploying software on any platform, Gradle offers a flexible model that can support the entire development lifecycle from compiling' and is a Build System in the development category. There are more than 25 alternatives to Gradle for a variety of platforms, including Linux, Windows, Mac, BSD and Self-Hosted apps. The best Gradle alternative is CMake, which is both free and Open Source. Other great apps like Gradle are GNU Make, Maven, Ant and pypyr.