Penguin Mail – open-source Rust email client for Linux with AI

Penguin Mail is an open-source, free Rust-based email client for Linux that consolidates Gmail, Microsoft, IMAP, and POP3 accounts into a single inbox with integrated calendar and contact management. The application runs locally on users' computers with no server backend, tracking, or ads, and includes optional AI assistant features powered by local models like Ollama or LM Studio. It supports security features like OpenPGP and S/MIME encryption, email scheduling, and customizable inbox filters.