
Description: TreeDBNotes is a free note taking and organization app that allows users to build a tree-structured notebook. It features quick searching and tagging, markdown support, and customizable themes.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Turtl is an open-source, encrypted note-taking and knowledge base app. It allows users to store notes, bookmarks, documents privately with end-to-end encryption. Turtl syncs across devices while maintaining privacy.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API