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OpenDeck
Bulgaria
What it is
OpenDeck is a player for self-contained presentation documents in the `.deck` format. An AI agent can create a deck from a talk description, document, or spreadsheet, building its structure, slides, motion, and voice. Decks may include natural voice narration embedded in the file, plus toggles, drag-to-reorder controls, and tap-to-reveal interactions. Users can export a `.deck` file for OpenDeck apps or a standalone HTML page. Since a `.deck` file is self-contained, it can play offline without relying on a server. The app runs on iPhone, iPad, and Mac; exported HTML decks open in modern browsers on any device. The homepage lists browser and Windows apps as available and says Android is coming soon. Setup options are listed for Claude Code, Claude web, Claude desktop, Antigravity CLI, OpenCode, and Codex. OpenDeck is free forever with no in-app purchases. Its privacy policy says the app collects no personal data and makes no network requests, and imported decks stay on the device. The app is Apache-2.0 licensed, its authoring kit MIT licensed, and the `.deck` format CC0 public domain.
For and against
For
- Deck files can play offline without a server.
- Exports as `.deck` files or standalone HTML.
- Supports narration and interactive slide elements.
- Privacy policy says imported decks stay on-device.
- Free forever with no in-app purchases.
Against
- Android availability is described as coming soon.
- The app collects no personal data and makes no network requests.
The verdict
OpenDeck combines a portable presentation format with offline playback, narration, and interactions. Its listed device availability and AI-agent setup options help define whether it fits your presentation workflow.
Who it suits
OpenDeck suits people creating or presenting self-contained decks, including those who want offline playback, narration, or interactive slides. Its listed apps support Apple devices, browsers, and Windows, while Android is described as coming soon.
Plans and prices
Free
No paid tiers · no in-app purchases · no account required
Read 15 Oct 2026 · open-deck.org
On the record
- Agent integrations
- The kit supports Claude Code, OpenCode, Codex, Antigravity CLI, and other agents that use SKILL.md.github.com · read 15 Oct 2026
- AI agent integrations
- The site offers setup options for Claude Code, Claude web, Claude desktop, Antigravity CLI, OpenCode, and Codex.open-deck.org · read 7 Oct 2026
- AI authoring
- An AI agent can build a complete deck from a talk description, document, or spreadsheet.open-deck.org · read 15 Oct 2026
- AI limitation
- AI-assisted authoring depends on a third-party model supplied by the user, and generated content is not guaranteed accurate.open-deck.org · read 15 Oct 2026
- Alternative players
- Anyone may implement a .deck player or library in any language without permission or royalties.open-deck.org · read 15 Oct 2026
- Animated reveals
- Slides can reveal ideas progressively with built-in pacing and animation.open-deck.org · read 15 Oct 2026
- Apple availability
- The App Store listing is free, supports iPhone, iPad, and Mac, and requires iOS/iPadOS 15 or macOS 12.apps.apple.com · read 15 Oct 2026
- Apple seller
- Apple identifies Sinisha Djukic as the developer and seller.apps.apple.com · read 15 Oct 2026
- App repository status
- The app repository is public, Apache-2.0 licensed, and describes iOS, Android, macOS, and web builds.github.com · read 15 Oct 2026
- Authoring-kit licence
- The deck-authoring skill kit is licensed under the MIT License.open-deck.org · read 15 Oct 2026
- Company location
- The OpenDeck GitHub organization lists Bulgaria as its location and shows no public members.github.com · read 15 Oct 2026
- Deck creation
- An AI agent can build a deck from a talk description, document, or spreadsheet, including its structure, slides, motion, and voice.open-deck.org · read 7 Oct 2026
- Deck format
- A .deck file is a ZIP containing a deck.json manifest and self-contained index.html.open-deck.org · read 15 Oct 2026
- Developer requirements
- Native builds require Xcode for iOS or Android Studio plus a JDK for Android.github.com · read 15 Oct 2026
- Export
- Users can export a standalone HTML page or a `.deck` file for OpenDeck apps.open-deck.org · read 7 Oct 2026
- Format licence
- The .deck specification is dedicated to the public domain under CC0.open-deck.org · read 15 Oct 2026
- HTML export
- Authors can export a standalone HTML page that opens in a browser without OpenDeck.open-deck.org · read 15 Oct 2026
- Interactive controls
- Decks support toggles, drag-to-reorder interactions, and tap-to-reveal behavior.open-deck.org · read 15 Oct 2026
