
Description: Fontmatrix is an open-source font manager and font viewer for Linux. It allows users to organize, preview, and manage fonts installed on their system.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Letrs is a user-friendly newsletter creation and email marketing software. It provides templates, drag-and-drop editor, automation tools, and analytics to help small businesses, bloggers, and entrepreneurs design and send professional newsletters to engage their subscribers.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API