
Description: Sigram is an open-source diagramming application similar to Microsoft Visio. It allows users to create flowcharts, network diagrams, UI mockups, and more. Sigram has a simple and intuitive interface with support for drag-and-drop, copy/paste, undo/redo, and other standard diagramming features.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Webogram is an open-source messaging app for web and mobile that focuses on security and privacy. It offers encrypted chats and allows anonymous sign up without a phone number.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API