
Description: Windows Calculator is a simple calculator app included in Windows operating systems. It provides basic arithmetic functions like addition, subtraction, multiplication, division, as well as scientific functions like sine, cosine, logarithms, etc.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Excalibur is open-source document management software designed for businesses to store, share, and collaborate on digital files. It allows organizing documents into categories, searching content, controlling user access permissions, and integrating with other apps.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API