flectar / mail
Built from the ground up for speed. Flectar Mail delivers native performance, instant startup, and as little as 80 MB of RAM.
flectar / mail
UCS-Care-Group / mailcraft
MailCraft: an open-source, clean-room mail, calendar and contacts program in pure Rust, for Microsoft 365, Outlook.com and IMAP. Early alpha.
hkdb / aerion
An Open Source Lightweight E-Mail Client
c9dev / penguin-mail
Mail and calendar for Linux and macOS. Gmail and IMAP accounts, Google Calendar, contacts, OpenPGP and S/MIME. GTK4 and libadwaita, written in Rust.
floatpane / matcha
A beautiful and functional email client for your terminal, built with Go and the charming Bubble Tea TUI library. Never leave your command line to check your inbox or send an email again!
trafficflowhq / ohmail
Consent-first email on your existing IMAP mailboxes. Optional AI assistet screener with local or Cloud models. Full local Clients for MacOS, Windows, Linux + Arch and Omarchy integrationst. Android + iOS (coming soon) Apps. AGPL-3.0.
cypht-org / cypht
Cypht: Lightweight Open Source webmail aggregator [PHP, JS]. Supports IMAP/SMTP, JMAP and EWS (Exchange Web Services)
meli / meli
terminal mail client, mirror of https://git.meli-email.org/meli/meli.git https://crates.io/crates/meli
rustmailer / rustmailer
A self-hosted Email Middleware for IMAP, SMTP, Gmail API, Graph API — built for developers
caiyuyou1227-glitch / tequila
A native, open-source macOS all-in-one productivity app built in Swift, designed for deep focus and visual clarity.
Site-19 / The-Bat-Secure-Mail-Setup
The Bat Email Client for Windows 11 and 10 Secure Setup Guide 2026
melian69 / Thunderbird-Mail-Client-Setup-Guide
Thunderbird Setup Guide 2026: Easy Email Client Install for Windows 11 & 10
edermarquesdias-cpu / Mailbird-Windows-Setup-Guide
Mailbird Setup Guide for Windows 11 and 10 in 2026: Easy Install and Email Configuration
Timskull / Postbox-Windows-Setup-Guide
Postbox Email Client for Windows 11 and 10: Install, Setup and Configuration Guide 2026