
Description: HEY is an email service developed by Basecamp that focuses on reducing email noise and improving productivity. Its key features include Imbox for priority emails, scheduled sending, and read receipts.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: aCalendar is an open-source calendar and scheduling application for Android. It features a simple interface for managing events, reminders, and tasks. Syncs with various services like Google Calendar.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API