Developer releases browser-only LLM chat interface with no backend or Docker required

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A developer has built 'Lab', a serverless, client-side web application designed as a lightweight alternative to heavyweight open-source LLM chat interfaces. Unlike typical setups that require Python or Node.js backends, databases, and multi-container Docker deployments, Lab runs entirely within the user's browser. All data — including chats, API keys, and model configurations — is stored locally using IndexedDB via Dexie.js, with nothing sent to external servers. The tool supports multiple AI providers including OpenAI, Anthropic, Google Gemini, OpenRouter, and local Ollama models, and can be installed as a Progressive Web App on desktop or mobile. The project is open-source under the MIT license, with a live demo available at labstudio.tech and source code hosted on GitHub.

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