
Description: SiYuan is an open-source cross-platform note taking and knowledge management software. It offers a variety of features including hierarchical note organization, WYSIWYG rich text editing, Markdown support, tag management, powerful search, offline access, and cross-platform sync. The intuitive interface and flexibility makes SiYuan a great alternative to apps like Evernote and OneNote.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Outlinely is a free, open-source outlining application for Windows, Mac and Linux. It provides a simple interface for creating nested outlines and notes, with features like tagging, searching, filtering and exporting outlines to various formats.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API