
Description: Anstrex is a freeware alternative to Microsoft Excel built on a spreadsheet foundation. It offers similar core features to Excel including calculation, graphing, pivot tables, formula building, and data analysis tools with an open XML file format.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: GuinRank is an open-source alternative to Alexa Rank that provides more accurate website traffic and popularity metrics. It uses a combination of factors like visits, social shares, backlinks etc. to assign a rank to websites.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API