Open Gamma is a modern, self-hosted presentation generator that leverages AI to transform your ideas into professional presentations. Built with the latest web technologies and designed with privacy in mind, it offers a powerful alternative to cloud-based presentation tools.

• Privacy First: Your data stays on your servers. No third-party tracking or data collection.
• BYOK (Bring Your Own Key): Use your own API keys for AI providers - pay only for what you use.
• Local AI Support: Run completely offline with Ollama integration.
• Modern Stack: Built with Next.js 16, React 19, and the latest AI SDK.
• Real-time Collaboration: Work together with your team using Yjs-powered sync.

• Node.js 20+
• npm or pnpm
• (Optional) Docker & Docker Compose
• (Optional) Ollama for local AI

# Clone the repository
git clone https://github.com/h9-tec/Open_Gamma.git
cd Open_Gamma

# Install dependencies
npm install

# Set up environment variables
cp .env.example .env.local

# Initialize the database
npx prisma db push

# Start the development server
npm run dev

Open http://localhost:3000 in your browser.

# With GPU support (for local Ollama)
docker compose --profile gpu up -d

# CPU only
docker compose --profile cpu up -d

# Production build
docker compose -f docker-compose.prod.yml up -d

Create a .env.local file based on .env.example:

# Database
DATABASE_URL="file:./data/opengamma.db"

# Authentication (required)
AUTH_SECRET="your-super-secret-key-change-in-production"
NEXTAUTH_URL="http://localhost:3000"

# OAuth Providers (optional)
AUTH_GOOGLE_ID=""
AUTH_GOOGLE_SECRET=""
AUTH_GITHUB_ID=""
AUTH_GITHUB_SECRET=""

# AI Providers (at least one required)
OPENAI_API_KEY=""
ANTHROPIC_API_KEY=""
GOOGLE_API_KEY=""
OPENROUTER_API_KEY=""

# Local AI
OLLAMA_URL="http://localhost:11434"

# Image Search (optional)
PEXELS_API_KEY=""
PIXABAY_API_KEY=""

# Collaboration (optional)
NEXT_PUBLIC_HOCUSPOCUS_URL="ws://localhost:1234"

open-gamma/
├── src/
│   ├── app/                    # Next.js App Router
│   │   ├── api/                # API routes (auth, tRPC)
│   │   ├── dashboard/          # User dashboard
│   │   ├── editor/[id]/        # Presentation editor
│   │   ├── presentations/      # Presentation management
│   │   └── login/, register/   # Authentication pages
│   │
│   ├── components/
│   │   ├── ui/                 # shadcn/ui components
│   │   ├── editor/             # Editor components
│   │   ├── dashboard/          # Dashboard components
│   │   └── layout/             # Layout components
│   │
│   ├── lib/
│   │   ├── ai/providers/       # AI provider factory
│   │   ├── auth/               # NextAuth configuration
│   │   ├── db/                 # Prisma client
│   │   └── trpc/               # tRPC setup
│   │
│   ├── server/trpc/routers/    # tRPC API routers
│   ├── stores/                 # Zustand stores
│   └── types/                  # TypeScript types
│
├── prisma/
│   └── schema.prisma           # Database schema
│
├── docker/                     # Docker configurations
├── images/                     # README images
└── data/                       # SQLite database (gitignored)

Open Gamma uses tRPC for type-safe API communication. Key endpoints:

// Create presentation
trpc.presentation.create.mutate({ title, description })

// Generate with AI
trpc.ai.generatePresentation.mutate({
  prompt,
  provider,
  model,
  slideCount
})

// Export
trpc.presentation.export.mutate({ id, format: 'pptx' | 'pdf' })

// Get all themes
trpc.theme.getAll.query()

// Create custom theme
trpc.theme.create.mutate({ name, colors, typography })

# Run development server
npm run dev

# Run type checking
npx tsc --noEmit

# Run linting
npm run lint

# Database operations
npx prisma studio      # Open Prisma Studio
npx prisma db push     # Push schema changes
npx prisma migrate dev # Create migration

• AI image generation for slides
• Presentation templates marketplace
• Advanced animations and transitions
• Presenter mode with timer
• Comments and annotations
• Version history
• Mobile responsive editor
• Plugin system

Contributions are welcome! Please read our Contributing Guide for details.

1. Fork the repository
2. Create your feature branch (git checkout -b feature/amazing-feature)
3. Commit your changes (git commit -m 'Add amazing feature')
4. Push to the branch (git push origin feature/amazing-feature)
5. Open a Pull Request

This project is licensed under the MIT License - see the LICENSE file for details.

• Gamma.app - Inspiration for this project
• shadcn/ui - Beautiful UI components
• Vercel AI SDK - AI integration made simple
• Prisma - Type-safe database access
• Yjs - Real-time collaboration framework