
Description: Google Calendar is a free online calendar service provided by Google that allows users to create and edit events, set reminders, invite others to events, and view calendars from multiple accounts in a single interface. It integrates with other Google services like Gmail.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Spicebird is a free, open source email and calendar suite that includes email, contacts, and calendaring. It works with existing email accounts and calendars and is available on Windows, Linux and Mac.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API