
Description: zcal is a free and open source recurring appointment and tasks manager. It allows users to manage appointments, tasks, and events with reminders. It has a simple interface with basic calendar features.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: ScheduleOnce is an online appointment scheduling and calendar management software. It allows businesses to manage appointments, integrate with other software, collect payments, and more. ScheduleOnce aims to simplify appointment scheduling for service-based businesses.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API