
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: Google Slides is a free web-based presentation software included as part of Google's G Suite office productivity suite. It allows users to create, edit, collaborate on, view and present presentations online.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API