Free, open-source alternatives to Google Slides

Online presentations from Google. 4 apps you can run yourself instead of Google Slides, sorted by how well they replace it. Each one is open source, so your data stays with you.

  1. ONLYOFFICEBest match

    Office suite that enables you to manage documents, projects, team and customer relations in one place.

    7k starsAGPL-3.0Updated 12 October 2026
  2. Collabora Online Development Edition

    Collabora Online Development Edition (CODE) is a powerful LibreOffice-based online office that supports all major document, spreadsheet and presentation file formats, which you can integrate in your own infrastructure.

    MPL-2.0
  3. CryptPad

    Collaboration suite built to enable collaboration, synchronizing changes to documents in real time.

    8k starsAGPL-3.0Updated 12 October 2026
  4. revealjs

    Framework for easily creating beautiful presentations using HTML.

    72.4k starsMITUpdated 30 September 2026

Side by side

AppStarsLicenseActivityRuns on
ONLYOFFICE6,999AGPL-3.0Node.js, Docker
Collabora Online Development Edition-MPL-2.0C++
CryptPad8,005AGPL-3.0Node.js, Docker
revealjs72,416MITJavascript

Why replace Google Slides?

Google Slides works, but your data lives in someone else's account, the price can change at any time, and features can disappear. An open-source app you run yourself is yours: you choose where it runs, who can see the data, and when to update.

Questions

What is the best free alternative to Google Slides?

ONLYOFFICE is the closest open-source replacement for Google Slides in our list. Collabora Online Development Edition and CryptPad are worth a look too, depending on what you need.

Can I self-host an alternative to Google Slides?

Yes. All 4 apps on this page are open source and can run on your own server, usually with Docker, or on a managed host that installs them for you.