
Description: Cathy is an open-source web-based tool for creating user flow diagrams and sitemaps. It allows product managers and UX designers to easily map out user journeys and plan website structure.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Exselo Desktop is a spreadsheet software similar to Microsoft Excel, with features for data analysis, charting, pivot tables, and other common spreadsheet functions. It is free, open-source, and cross-platform.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API