
Description: Bazel is an open-source build and test tool similar to Make, Maven, or Gradle. It is optimized for building large, multi-language software projects efficiently by incrementally building only what has changed.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Gradle is an open-source build automation tool focused on flexibility and performance. It builds upon features of Apache Ant and Apache Maven and introduces a Groovy-based domain-specific language instead of XML form to declare the project configuration.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API