The aim of Himalaya is to extract the email logic into a simple CLI API that can be used directly from the terminal, from scripts, from UIs.
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The aim of Himalaya is to extract the email logic into a simple CLI API that can be used directly from the terminal, from scripts, from UIs.
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Mutt is a small but very powerful text based program for reading electronic mail under unix operating systems.
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Built on top of mu are some extensions, including mu4e, which is a full-featured e-mail client that runs inside Emacs.
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Sup is an open source curses threads-with tags style email client. It presents a list of threads, which are each hierarchical collections email messages.
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KMail is KDE’s email client, offering OpenPGP and S/MIME encryption, multiple accounts, powerful filtering and Kontact integration.
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Mailspring is an open source, cross-platform email client that is a development of the now discontinued Nylas Mail.
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Balsa is an e-mail client for GNOME, highly configurable and incorporating all the features you would expect in a robust mail client.
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Trojitá is a Qt-based email client that aims to be fast in operation and function over slow or high-latency networks. It’s desktop agnostic.
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Astroid is a lightweight and fast graphical email client. Search, display and compose email, organized in thread and tags.
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Geary is an open source lightweight mail client for GNOME that is written in Vala. It offers a slim and economical user interface design.
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Claws Mail is a lightweight GTK email and news client with OpenPGP and S/MIME encryption, message filtering, OAuth2 and extensible plugins.
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SquirrelMail is a traditional PHP webmail client with IMAP, SMTP, address books, folder management and an extensible plugin system.
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RainLoop webmail was designed with efficient memory use in mind, so it can work fine even on low-end web servers.
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SnappyMail is a lightweight webmail client with IMAP support, OpenPGP, Sieve filters, contacts, dark mode and an extensible interface.
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Mailpile is a fast email client with user-friendly encryption and privacy features.
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Roundcube provides IMAP webmail with Markdown composition, OAuth2 login, advanced search, contacts, responsive themes and an extension API.
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Scrollout F1 is an easy to use, highly configurable email firewall (gateway) for multiple domains and servers.
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Pyzor is an implementation of a spam-blocking networked system that use spam signatures to identify them.
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Rspamd is an advanced spam filtering system that allows evaluation of messages by a number of rules.
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ASSP is a Perl based transparent SMTP proxy server. ASSP relays the SMTP dialog between an incoming client and your SMTP server.
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