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Open-Source AI Presentation Generator and API (Gamma, Beautiful AI, Decktopus Alternative)

Presenton is an open-source application for generating presentations with AI — all running locally on your device. Stay in control of your data and privacy while using models like OpenAI and Gemini, or use your own hosted models through Ollama.

✨ Now, generate presentations with your existing PPTX file! Just upload your presentation file to create template design and then use that template to generate on brand and on design presentation on any topic.

[!NOTE] > Enterprise Inquiries: For enterprise use, custom deployments, or partnership opportunities, contact us at suraj@presenton.ai.

[!IMPORTANT] Like Presenton? A ⭐ star shows your support and encourages us to keep building!

[!TIP] For detailed setup guides, API documentation, and advanced configuration options, visit our Official Documentation

✨ More Freedom with AI Presentations

Presenton gives you complete control over your AI presentation workflow. Choose your models, customize your experience, and keep your data private.

• ✅ Custom Templates & Themes — Create unlimited presentation designs with HTML and Tailwind CSS
• ✅ AI Template Generation — Create presentation templates from existing Powerpoint documents.
• ✅ Flexible Generation — Build presentations from prompts or uploaded documents
• ✅ Export Ready — Save as PowerPoint (PPTX) and PDF with professional formatting
• ✅ Built-In MCP Server — Generate presentations over Model Context Protocol
• ✅ Bring Your Own Key — Use your own API keys for OpenAI, Google Gemini, Anthropic Claude, or any compatible provider. Only pay for what you use, no hidden fees or subscriptions.
• ✅ Ollama Integration — Run open-source models locally with full privacy
• ✅ OpenAI API Compatible — Connect to any OpenAI-compatible endpoint with your own models
• ✅ Multi-Provider Support — Mix and match text and image generation providers
• ✅ Versatile Image Generation — Choose from DALL-E 3, Gemini Flash, Pexels, or Pixabay
• ✅ Rich Media Support — Icons, charts, and custom graphics for professional presentations
• ✅ Runs Locally — All processing happens on your device, no cloud dependencies
• ✅ API Deployment — Host as your own API service for your team
• ✅ Fully Open-Source — Apache 2.0 licensed, i...