
Description: Bone.io is an open-source website wireframing tool that allows users to quickly create simple wireframes and mockups. It has a drag-and-drop editor with various pre-made components that can be added to pages. The tool is good for rapidly prototyping website designs.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Greenlet is a lightweight concurrency library for Python that allows users to switch between several green threads (coroutines) in a similar way to yield statements. It enables non-blocking cooperative multitasking in Python programs.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API