Sylpheed is a simple, lightweight but featureful, and easy-to-use e-mail client (mailer, MUA).
Cost / License
- Free
- Open Source
Application type
JapanAlerts
- Discontinued
Platforms
- Mac
- Windows
- Linux
- BSD
- PortableApps.com
+3
Postbox Alternatives
Postbox is described as 'Email application that helps you organize your work life and get stuff done' and is a very popular Email Client in the office & productivity category. There are more than 50 alternatives to Postbox for a variety of platforms, including Windows, Mac, Linux, Android and iPhone apps. The best Postbox alternative is Thunderbird, which is both free and Open Source. Other great apps like Postbox are Evolution, Microsoft Outlook, eM Client and Spark Mail.
Alternatives list
- 42 Sylpheed alternatives
66 Airmail alternativesEngineered 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.
Transform your email inbox into a collaborative workspace with Spike. Enjoy integrated chat-like emails, tasks, collaborative notes, and group projects. Seamlessly manage multiple accounts, organize priorities, and schedule meetings across devices.
Cost / License
- Freemium
- Proprietary
Application type
Platforms
- Mac
- Windows
- Online
- Android
- iPhone
- Chrome OS
- Android Tablet
- iPad
- Software as a Service (SaaS)
- Meta Quest
+4
54 TypeApp alternativesTypeApp is an all-free, beautifully designed, universal email app, capable of managing unlimited number of mail accounts from various providers, allowing for smart push notifications while enabling personalization across multiple email accounts.
Cost / License
- Free Personal
- Proprietary
Application type
Platforms
- Mac
- Windows
- Linux
- Android
- iPhone
- Android Tablet
- iPad
- Android Wear
- Kindle Fire
+6
Mimestream combines your favorite Gmail features with the power of a native macOS app so you can move through your email effortlessly.
+1
Mutt is a small but very powerful text-based mail client for Unix operating systems. Some of its features are: color support, message threading, MIME support (including RFC2047 support for encoded headers), PGP/MIME (RFC2015), various features to support mailing lists, including...
34 Shift Browser alternativesShift consolidates web applications into one platform, simplifying access to Google and Microsoft accounts. It declutters tabs, supports email management for Gmail and Outlook 365, integrates with extensions like Grammarly, LastPass, and more, while providing custom notifications and quiet hours.
+5
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.
+2
54 Superhuman Mail alternativesProductivity-centered email application streamlines inbox management, uses AI for drafting responses, automates snippets, summarizes conversations, enables timely sends, integrates calendar and CRM, and includes collaborative features like live views and comments.
Cost / License
- Paid
- Proprietary
Application type
Platforms
- Mac
- Online
- iPhone
- iPad
- Android
- Android Tablet
- Windows
+3
54 Zimbra Desktop alternativesThe free Zimbra Desktop client allows you to meld the online and offline worlds – storing and synching your email, calendar, contacts, files and documents in the cloud, yet having them locally accessible when on the road.
+3
52 KMail alternativesKMail is the email component of Kontact, the integrated personal information manager of KDE. Kontact is a personal information manager and groupware software suite for KDE. It supports calendars, contacts, notes, to-do lists, news, and email.
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