Sylpheed is a simple, lightweight but featureful, and easy-to-use e-mail client (mailer, MUA).
Platforms
- Mac
- Windows
- Linux
- BSD
- PortableApps.com
Japan
+3
Microsoft Outlook Alternatives
Microsoft Outlook is described as 'Manage emails, calendars, contacts, and tasks with an intuitive interface. Features smart inbox, file management, and third-party app integration' and is a very popular Email Client in the office & productivity category. There are more than 100 alternatives to Microsoft Outlook for a variety of platforms, including Windows, Mac, Linux, Android and iPhone apps. The best Microsoft Outlook alternative is Thunderbird, which is both free and Open Source. Other great apps like Microsoft Outlook are Evolution, K-9 Mail, Betterbird and Mailbird.
filter to find the best alternatives
Microsoft Outlook alternatives are mainly Email Clients, but if you're looking for Calendar Apps or Todo List Managers you can filter on that. Other popular filters include Windows + Free, Linux, Open Source, Windows + Open Source, Android, iPad and Mac. You can also filter by region, for example EU-based alternatives if you prefer software developed in the European Union. These are just examples - use the filter bar below to find more specific alternatives to Microsoft Outlook.
Alternatives list
- 48 Sylpheed alternatives
Shortwave is an email app that takes the pain out of managing your inbox, making it effortless to stay organized, productive, and responsive.
Cost / License
- Freemium
- Proprietary
Application type
Platforms
- Online
- Android
- iPhone
- Android Tablet
- iPad
- Gmail
United States
73 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.
Cost / License
- Paid
- Proprietary
Application type
Platforms
- Mac
- iPhone
- iPad
- Apple Watch
Italy
EU
58 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.
Cost / License
- Free Personal
- Proprietary
Application typeApplication types
Platforms
- Mac
- Windows
- Linux
- United States
+3
Amie is a productivity application that facilitates task, event, and contact management, integrating a scheduling feature for task and event time allocation, and effectively transforming the calendar into a todo list, with color-coding for improved organization and visual...
Cost / License
- Paid
- Proprietary
Application typeApplication types
Platforms
- Mac
- Online
- iPhone
Germany- EU
+9
57 Mutt alternativesMutt 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...
Cost / License
- Free
- Open Source
Application type
Platforms
- Mac
- Windows
- Linux
- Xfce
- United States
38 Foxmail alternativesFoxmail is a free POP3 and IMAP4 e-mail client in English and Chinese for Windows systems.
Cost / License
- Free
- Proprietary
Application typeApplication types
Platforms
- Mac
- Windows
China
59 The Bat alternativesThe Bat! is a secure email client software, built to protect your correspondence against third-parties.
Cost / License
- Paid
- Proprietary
Application type
Platforms
- Windows
Moldova
+4
Wino is a lightweight native mail client for Windows 10/11. It is still in active development. Main motivation for this project is to replace Mail & Calendar for Windows with modern Windows design without using web technologies for speed.
Cost / License
- Freemium
- Open Source (GPL-3.0)
Application type
Platforms
- Windows
Türkiye
+2
Collaborative email and threaded group chat for productive teams. A single app for all your internal and external communication.
Cost / License
- Paid
- Proprietary
Application typeApplication types
Platforms
- Mac
- Windows
- Online
- Android
- iPhone
Canada
+6
72 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
- United States
73 BusyCal alternativesBusyCal is the most powerful, flexible, heavily customizable, reliable calendar app for macOS. It's packed with time-saving features and compatible with all leading cloud services including Reminders, iCloud, Google, Exchange, Office 365, Yahoo, Fastmail, Fruux, Kerio, Zoom...
Cost / License
- Paid
- Proprietary
Application typeApplication types
Platforms
- Mac
- iPhone
- iPad
- Apple Watch
- MacPaw Setapp
- United States
+9
