Kanmail

Built from the ground up for speed. Flectar Mail delivers native performance, instant startup, and as little as 100 MB of RAM.

A beautiful and functional email client for your terminal, built with Go and the charming Bubble Tea TUI library.

A self-hosted Email Middleware for IMAP, SMTP, Gmail API, Graph API — built for developers

Mail and calendar for Linux and macOS. Gmail and IMAP accounts, Google Calendar, contacts, OpenPGP and S/MIME. GTK4 and libadwaita, written in Rust.

Terminal-based email client for Linux and macOS

An open-source email client built around your privacy, cross-platform with zero telemetry, fully yours.