
Description: XCALC is a free, open-source spreadsheet application for Linux, inspired by Microsoft Excel. It provides users with basic spreadsheet features like data analysis, automatic formulas, charts, custom templates, and macros.
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