
Description: Pine is a simple, beginner-friendly open-source Markdown editor for Windows, Mac and Linux. It has a clean interface with basic formatting tools to write Markdown documents. Good for those new to Markdown.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Markie is an open-source content validation tool for websites. It checks for broken links and images, validates HTML, and analyzes page speed and accessibility. Markie integrates with continuous integration tools to automate testing.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API