
Description: Personal Knowbase is a free, open-source knowledge management and note taking app for Windows, Mac, and Linux. It allows users to organize notes, ideas, documents and more in a flexible hierarchical system.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Ultra Recall is a powerful spaced repetition and memory retention software. It helps users memorize information through customizable flashcards and repetition schedules based on the proven spaced repetition learning technique.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API