
Description: Ringer.org is a free web-based service that provides suggestions and recommendations for alternative software. It allows users to search for software by category or name and presents information on open source, free, or paid alternatives.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: i39 is an open-source desktop app designed as an alternative to Microsoft OneNote. It allows users to take notes, manage documents, create to-do lists, sketch ideas using a drawing pad, and organize notes into multiple notebooks. i39 focuses on flexibility, security, and privacy.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API