Spectacle Presentation Library is described as 'ReactJS based presentation library' and is an app in the Development category. There are more than 10 alternatives to Spectacle Presentation Library for a variety of platforms, including Mac, Self-Hosted solutions, Online / Web-based, Windows and Linux. The best alternative is LibreOffice - Impress, which is both free and Open Source. Other great apps like Spectacle Presentation Library are Microsoft Office Powerpoint (Paid), Google Slides (Free), Keynote (Free) and Marp (Free, Open Source).
MDX-Decks lets you create sleek presentation decks using MDX (JSX in Markdown). FEATURES - Write presentations in markdown - Import and use React components - Customizable themes and components - Zero-config CLI - Presenter mode - Speaker notes