open-webui/open-webui
User-friendly AI Interface (Supports Ollama, OpenAI API, ...)
What it does
Open WebUI is a self-hosted platform that gives you a polished, chat-based interface for interacting with AI models — similar to ChatGPT, but running entirely on your own servers or computer without sending data to third parties. It works with a wide range of AI services and models, and can be set up with user accounts, permissions, and team access controls.
Why it matters for PMs
With over 124,000 stars on GitHub, this is one of the most popular projects in the AI space, signaling massive demand for privacy-focused, self-controlled AI tools — a direct threat to SaaS AI incumbents and a major opportunity for enterprise products built around data sovereignty. For founders and PMs, it validates that users and organizations want ChatGPT-like experiences without the vendor lock-in or data-sharing risks.
Early stage — limited signal data
Score updated Feb 18, 2026
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