Zero

Zero is an open-source AI-driven email platform that empowers users to self-host their own modern mail application while still connecting to external providers like Gmail or Outlook, offering flexibility for personal and business communication. It combines a unified inbox experience with privacy-first architecture so your email data stays under your control without third-party tracking or data harvesting. The system enhances traditional email workflows by integrating AI assistance for tasks such as summarizing messages, suggesting replies, prioritizing conversations, and helping users manage their inbox more intelligently. With a clean, customizable web interface built on modern technologies, Zero makes it pleasant to navigate mail, search through messages, and organize threads without feeling cluttered or slow.