Sylpheed is a simple, lightweight but featureful, and easy-to-use e-mail client (mailer, MUA).
Platforms
- Mac
- Windows
- Linux
- BSD
- PortableApps.com
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Apps similar to aerc include Thunderbird, which is free and open source. Other options are Betterbird, Microsoft Outlook, Evolution and Apple Mail. You're spoiled for choice with Email Clients like aerc: we list more than 50 alternatives for Windows, Linux, Mac, Android and iPad.
Sylpheed is a simple, lightweight but featureful, and easy-to-use e-mail client (mailer, MUA).








Engineered for iOS, macOS, and watchOS, this fast mail client supports multiple account types, custom actions, Smart Inbox filtering, unified inbox, privacy mode, email scheduling, snooze, third-party app integration, flexible personalization, and advanced workflow tools.



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No-frills, easy to use, easy to maintain Email client for Android based on the JSON Meta Application Protocol (JMAP).



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Mail is designed to let you manage your email quickly and effortlessly. Its interface is based on conversations, so you can read an entire discussion without having to click from message to message.

Mac IMAP email client featuring keyboard control, Markdown email composition, advanced search capabilities, smart mailboxes, automatic signature handling, cryptographic options with OpenPGP/S-MIME, tagging, multiple notifications, and customizable layouts including widescreen.




Built from the ground up for speed. Flectar Mail delivers native performance, instant startup, and as little as 20 MB of RAM.



