Sidian is an AI-powered software engineering platform designed to revolutionize how developers interact with their codebases. Its groundbreaking Context Engine understands your entire project within seconds, enabling deep insights, intelligent code suggestions, and precise debugging all while ensuring your code never leaves your local machine. Unlike traditional AI tools, Sidian is privacy-first and runs locally or through your choice of top AI providers, including OpenAI, Anthropic, Google, xAI, DeepSeek, Groq, and Mistral AI. Whether you’re coding, planning, or analyzing, Sidian’s multiple AI agents and data science integrations empower you to work smarter, faster, and securely.