
Description: InvisionFree is a free web-based prototyping and mockup tool that allows users to quickly design webpage and app interfaces. It has a drag-and-drop editor with various pre-made components that can be arranged to build interactive prototypes.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Postwave is an email marketing software that helps businesses design email campaigns, automate workflows, track analytics, and manage subscribers. It has drag-and-drop email builders, A/B testing, and integration with CRM and ecommerce platforms.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API