The best open source alternative to Microsoft PowerPoint is ONLYOFFICE. If that doesn't suit you, our users have ranked more than 100 alternatives to Microsoft PowerPoint and loads of them is open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to Microsoft PowerPoint are CryptPad, LibreOffice - Impress, Fossify Documents and Doory.
Open-source office suite offering document, spreadsheet, and presentation editing with co-editing modes, plugin support, integration across 30+ services, robust security, and mobile access. Available in Community, Enterprise, and Home Server editions for versatile deployment.
Latvia
EU
CryptPad is a private-by-design alternative to popular office tools and cloud services. All the content stored on CryptPad is encrypted before being sent, which means nobody can access your data unless you give them the keys.
FranceEU
Impress is a truly outstanding tool for creating effective multimedia presentations. Does linear or non-linear presentations with the included Presenter Console extension. Your presentations can be enhanced with 2D and 3D clip art, special effects and transition styles...
GermanyEU
Private offline document reader and organizer supporting PDFs, DOCX, TXT, Markdown, CSV, TSV, and HTML files, enabling editing, formatting, folder browsing, sorting, favorites, and recent file tracking. No ads or tracking, with customizable themes and layouts.
India
Make something lovely today. Cards, posts, slides, posters and little logos — drawn up right in your browser. Free, and no sign-up to start.
Presentations and slide shows: an open-source, clean-room reimplementation of Microsoft PowerPoint in pure Rust. Part of the ArtCraft Crafting Apps.
United States
OpenBoard is a cross-platform (Linux / Windows / macOS) interactive whiteboard application. It is currently maintained by the Education Department (DIP) of the Canton of Geneva in Switzerland.
One HTML file is the document, the editor and the player at once. Local-first, AI-native, end-to-end-encrypted live collaboration, works offline forever.
Reveal.js is a cutting-edge open-source presentation framework that utilizes HTML5, CSS3, and JavaScript. With its dynamic 3D transition effects, cross-browser compatibility, and PDF export function, this non-linear framework is a powerful tool for creating engaging and...
SwedenEU
Storyboarder makes it easy to visualize a story as fast you can draw stick figures. Quickly draw to test if a story idea works. Create and show animatics to others. Express your story idea without making a movie.
United States
Sozi is an open-source browser-based presentation software using SVG and JavaScript to play animated presentations.
FranceEU
Collabora Online is a powerful LibreOffice-based online office suite with collaborative editing, which supports all major document, spreadsheet and presentation file formats and works in all modern browsers.
United Kingdom
