
Description: WebCalendar is an open source web-based calendar application written in PHP. It allows managing personal calendars, group calendars, and shared calendars. Key features include calendar views, drag & drop scheduling, email reminders, custom themes.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

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: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API