
Description: RestCase is an open-source API testing tool for REST and SOAP services. It allows users to easily create automated API tests with assertions to validate responses.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: ApiOpenStudio is an open-source API management platform that allows developers to easily create, publish, monitor and secure APIs. It provides functionality like API proxies, analytics, monetization tools and developer portals.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API