
Description: Postcards is an easy-to-use desktop application for designing and sending customized postcards. It provides numerous templates and designs to choose from and allows personalization with photos, text, illustrations, etc. Postcards prints and mails the postcards for you.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Mosaico.io is an open-source email template editor for non-profits and activists. It allows users to easily create beautiful, responsive email templates without coding knowledge. The drag-and-drop interface makes template building simple and efficient.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API