
Description: Notepad Calculator is a simple calculator app that runs in Windows Notepad. It allows you to do basic math calculations like addition, subtraction, multiplication and division right inside a Notepad document.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Caligator is a free online calendar and scheduling tool. It allows users to create and share calendars, schedule events and meetings, and manage tasks. Key features include calendar sharing, event reminders, task management, and integration with Google Calendar.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API