Design and diagrams
Prezi alternatives
2 open-source projects that already do this job. Free to use - not free to run, which is what the numbers on the right are for.
The projects
dream-num/univer★14,063 GitHub starsApache-2.0 licenceFull-stack web app for creating and editing spreadsheets, documents, and presentations in the browser.Open on GitHub ↗icip-cas/PPTAgent★4,896 GitHub starsMIT licenceFramework/tooling to generate PowerPoint presentations programmatically, with agentic/LLM-driven slide creation.Open on GitHub ↗
What you give up either way
- Access to Prezi’s proprietary dataset and models trained on 500M presentations
- Years of internal design expertise and polish baked into slide-generation heuristics
- Hosted collaboration/team features and admin controls
- SOC2/compliance guarantees and enterprise security posture
- Large-image library and integrated asset search
An open-source project doing the core job proves a replacement is possible. It does not prove it matches Prezi, and it does not prove anyone has run it for a month. How we decide.