Bento
The office suite that fits in a file — a PowerPoint alternative as a single self-contained HTML document.
Bento is an open-source presentation app that lives entirely inside one HTML file. Open it in any browser to edit, present, and share — no installer, no account, no cloud lock-in. It supports morph animations, E2EE live collaboration via an optional blind relay, built-in charts, PDF export, and an AI-friendly JSON document model that any agent can read and write. The file is the software.
Key Features
- Single self-contained HTML file — no install or account
- Morph presenting with element-level animations
- E2EE live collaboration with in-file keys
- Built-in charts (bar, line, pie, scatter)
- AI-friendly plain JSON document model
- Offline-first with signed self-updates
- PDF export and 8 UI languages
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