
Description: Zoho Calendar is a free online calendar and scheduling service that allows individuals and teams to manage appointments, events, and reminders. It integrates with other Zoho apps and includes features like recurring events, calendar sharing, email reminders, and mobile apps.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Rainlendar is an open source desktop calendar application for Windows, Mac and Linux. It supports calendar events, tasks, and weather information. Rainlendar is lightweight, customizable, and supports online calendar integration.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API