
Description: Calvertr is an open-source alternative to Microsoft Excel designed for creating spreadsheets, analyzing data, and performing calculations. It offers a familiar spreadsheet interface with many of the same features as Excel.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Convertr is a conversion optimization tool that helps businesses increase website conversion rates. It provides A/B testing, heatmaps, funnel analysis, and other analytics to understand user behavior and optimize landing pages, forms, calls-to-action and more.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API