Open source repositories tagged with #email, ranked by health score.
自托管邮件系统，提供现代化 Webmail 与管理后台，支持多域名、外部 IMAP、邮箱共享、细粒度权限和简繁英三语言。
Comprehensive list of free email provider domains for signup validation and disposable filtering.
A .NET MIME creation and parser library with support for S/MIME, PGP, DKIM, TNEF and Unix mbox spools.
Work with email by IMAP
Low code web framework for real world applications, in Python and Javascript
C# library that moves your stylesheets to inline style attributes, for maximum compatibility with E-mail clients.
MIT-licensed, COM-free .NET libraries for creating, reading, editing, converting, rendering, and extracting Office, PDF, email, OneNote, and text formats.
Macro is a unified workspace for teams: email, chat, docs, tasks, agents, calls, and CRM — @-linked together with shared AI memory.
Keep passwords and other sensitive information out of your chat logs and inboxes.
Thunderbird for Android – Open Source Email App for Android (fka K-9 Mail)
Compose, deliver and test your emails easily in Elixir
Fast/secure email client with kanban and chat views.
Flutter email client for Nostr - send and receive encrypted emails using the Nostr protocol
A multi-platform (Flutter) application for reading your emails, with your favorite devices, using the JMAP protocol!
