bolt.diy is the community-maintained open-source fork of StackBlitz's bolt.new, allowing users to run an AI-powered full-stack app builder on their own server with their choice of LLM provider. It runs full Node.js environments in the browser via WebContainers (WebAssembly-based), generating complete applications with frontend, backend, database schema, and authentication. Users can converse in chat, hand-edit files, and re-run tasks. It supports 19+ providers including OpenAI, Anthropic, Groq, DeepSeek, Ollama, LM Studio, and Amazon Bedrock. Key features: - Self-hostable: run on your own server with your own LLM API keys - 19+ LLM provider integrations including Ollama and LM Studio for local models - WebContainers browser-based Node.js runtime with file system, terminal, and live preview - Full-stack generation: frontend, backend, database schema, and auth - Hybrid workflow: AI chat plus manual file editing and re-run controls - MIT licensed open-source codebase with active community contributions
Free and open source (self-hosted). Users pay only their own LLM API costs.