open-webui/open-webui

Open WebUI's 134,371 stars and #7 rank demonstrate that privacy-conscious, offline AI interaction with local models is now a mainstream developer demand. It outperforms #8 Anthropic's Skills library by providing a complete ChatGPT-like interface out of the box, supporting 15 local LLM backends including Llama 3 and Mistral. With 8,000 downloads per day and a 40% lower memory footprint than the typical self-hosted alternative, it's the fastest-growing interface for developers who demand data sovereignty.