Design and diagrams

Gamma 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 full assessment →

The projects

ONLYOFFICE/DocumentBuilder140AGPL-3.0Generates text, spreadsheet, presentation and PDF documents from templates and data programmatically.Open on GitHub attakei/sphinx-revealjs129Apache-2.0Builds HTML slide presentations from Sphinx documentation using the reveal.js framework.Open on GitHub

What you give up either way

Hosted website publishing and multi-domain hosting
Advanced analytics and detailed engagement metrics
Collaboration / real-time multi-user editing
Access to the most advanced multimodal models (text, image, video)
SOC 2 compliance and associated security guarantees

An open-source project doing the core job proves a replacement is possible. It does not prove it matches Gamma, and it does not prove anyone has run it for a month. How we decide.