
Description: Raindrop.io is a free online bookmark and link manager. It allows you to save, organize and manage your bookmarks, links and web content in one place across all your devices. Key features include tagging, search, Chrome/Firefox extensions and apps.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Hiro is an open-source, browser-based mockup and prototyping tool. It allows users to quickly create wireframes, mockups, and prototypes for web and mobile apps. Key features include a drag-and-drop interface, UI kits for various platforms, collaboration tools, and integrations with other apps.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API