
Description: Hyperdeck Markdown Presentations is a free, open-source tool for creating slideshow presentations using Markdown. It has a simple, clean interface and allows exporting presentations to PDF or HTML.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: LibreOffice Impress is a free, open source presentation software included in the LibreOffice productivity suite. It allows users to create professional slideshows with animations, graphics, multimedia, and themes. As a lightweight Microsoft PowerPoint alternative, Impress enables creating presentations on Linux, Windows, and MacOS.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API