
Description: Doodle is a free online scheduling and meeting tool. It allows users to quickly set up a poll with date/time options and send it to a group to coordinate schedules and find common available times.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Koalendar is an open-source calendar and scheduling application designed for small businesses and teams. It allows users to manage events, appointments, tasks, and schedules in a collaborative environment.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API