
Description: Celtx is screenwriting, storyboarding, and production management software for film, theater, and video game creators. It provides tools to write scripts, create storyboards, organize projects, and plan production.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Amazon Storywriter is a free screenwriting software that allows writers to write screenplays online. It has features like auto-formatting, collaboration, outlining, tagging, and PDF export.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API