
Description: Numbat is an open-source alternative to Microsoft Excel focused on data analysis and visualization. It offers powerful spreadsheet functionality along with built-in charting, statistics, and data manipulation tools.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Integral Calculator is a free online tool to calculate definite and indefinite integrals. It can compute single, double, triple, improper, and contour integrals using various methods. The calculator allows integrating functions with parameters and provides step-by-step solution.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API