
Description: Trilium Notes is an open-source hierarchical note taking application focused on building large personal knowledge bases. It has a tree-structured notes system allowing easy organization of ideas and supports features like linking between notes, embedding media, tagging, encryption, etc.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Metanota is an open-source knowledge management and note taking app. It allows you to organize notes and information in a personal knowledge base with backlinks and wiki-style linking between notes.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API