open-webui/open-webui

Open WebUI delivers the most polished self-hosted LLM interface on GitHub, with 137,562 stars proving its dominance. Its built-in support for multiple backends, including Ollama and OpenAI-compatible APIs, ensures you retain full data privacy without sacrificing modern features like web search or document uploads. For developers tired of wrestling with fragmented AI tools, Open WebUI provides a single, cohesive interface that works immediately.