
Description: Piggydb is a personal knowledge management tool that allows users to organize information like notes, documents, links, etc. in a wiki-style database for easier access and retrieval later. It is designed for individual use to capture ideas and make connections between pieces of information.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Hypernotes is a free, open-source note taking and knowledge management software. It allows users to create wiki-style interconnected notes and build a personal knowledge base.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API