Figma - Team-based interface design, Figma lets you collaborate on designs in real time.
SlidesPPT - Beautiful free presentation templates for Google Slides
Excalideck - An app for authoring slide decks that look hand-drawn.
Slides - Slides is a place for creating, presenting and sharing presentations. The Slides editor is available right in your browser. Unlike traditional presentation software, like PowerPoint, there's no need to download anything.
Angle - Angle lets you quickly create app presentations using our massive library of 5000+ mockups in Figma, Sketch and XD.
Templates by 24Slides - The world’s best library of free presentation templates.