- Freemium • Proprietary
- WebMail Provider
- Email Client
- Calendar App
77 alternatives to Tutanota- Mac
- Windows
- Linux
- Online
- Android
- iPhone
- iPad
- Self-Hosted
- F-Droid
Tutanota is the world's most secure email service, easy to use and private by design. You get fully encrypted calendars and contacts with all our personal and business email accounts. It has open source iOS and an Android apps.
Tutanota Features
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K-9 is an open source email client for Android with multi-folder sync, email signatures, Bcc-to-self, return-address configuration, keyboard shortcuts, Exchange Support, message flagging, IMAP deletes, saving attachments, configurable notifications and more.
K-9 Mail Features
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- Paid • Proprietary
- Email Client
- Calendar App
135 alternatives to Microsoft Office Outlook- Mac
- Windows
- Online
- Android
- iPhone
- Android Tablet
- Windows Phone
- iPad
- Apple Watch
- Android Wear
Microsoft Outlook, part of the Microsoft 365 (Office) (not to be confused with Microsoft Outlook Express), is a personal information manager that lets you manage your e-mail, calendar, contacts, and tasks.
Microsoft Office Outlook Features
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- Free • Open Source
- Email Client
- Calendar App
82 alternatives to Evolution- Linux
- BSD
- S/MIME
- GNOME
- OpenPGP
- Flathub
Evolution is a personal information management application that provides integrated mail, calendaring, address book and task list functionality. Evolution supports a wide range of industry standard data formats and network protocols for information exchange, with an emphasis on...
Evolution Features
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Mailbird helps individuals and businesses manage emails in one place. This allows you to simplify your workflows. Therefore, spend more time on important tasks. Moreover, 9 in 10 of our customers describe our interface as “intuitive” and beautiful.
Mailbird Features
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Mailbox.org offers a secure e-mail account for home and business use. The domain name, me@mailbox.org, is easy to remember and can be understood anywhere in the world. They have been operating e-mail accounts for more than 20 years and are a highly reliable service provider.
Mailbox.org Features
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Google Contacts is Google's contact management tool that is available in its free email service Gmail, as a standalone service, and as a part of Google's business-oriented suite of web apps Google Apps.
Google Contacts Features
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- Paid • Proprietary
- WebMail Provider
- Calendar App
- Mail Server
60 alternatives to Fastmail- Online
- Android
- iPhone
- Android Tablet
- iPad
Fastmail provides one of the most secure and reliable email environments in the industry. Rock Solid Reliability. More safety.
Fastmail Features
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- Freemium • Open Source
33 alternatives to EteSync- Mac
- Windows
- Linux
- Online
- Android
- iPhone
- Android Tablet
- BSD
- iPad
- Self-Hosted
- F-Droid
- Software as a Service (SaaS)
- Etebase
Secure, end-to-end encrypted, and privacy respecting sync for your contacts, calendars and tasks. Everything is encrypted on the client-side and all the code (client and server) is open source.
EteSync Features
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The Nextcloud contacts app is a user interface for Nextcloud's CardDAV server. Easily sync contacts from various devices with your Nextcloud and edit them online.
Nextcloud Contacts Features
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eM Client is a full featured e-mail client with a modern and easy to use interface. eM Client also offers calendar, tasks, contacts, notes and chat.
eM Client Features
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- Paid • Proprietary
- Note-taking Tool
- Todo List Manager
- Document Manager
133 alternatives to Keepmark- Mac
- Windows
- Linux
Keepmark is a desktop, privacy first documents organizer. You can organize with it your files, email, bookmarks, tasks, news, and other resources. Its available for Windows, Linux and Mac.
Keepmark Features
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Koler is a uniquely stylized phone app for Android, designed with the user in mind.
Koler Features
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A simple light app for creating and managing your contacts from any source. The contacts can be stored on your device only, but also synchronized via Google, or other accounts.
Simple Contacts Features
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- Freemium • Proprietary
- Calendar App
47 alternatives to fruux- Mac
- Windows
- Linux
- Online
- Android
- iPhone
- Blackberry
- Windows Phone
- iPad
- Blackberry 10
- Sailfish OS
- Software as a Service (SaaS)
fruux is a free service that takes care of your contacts, calendars and more so you don't have to. Never manually copy contacts and calenders between your devices again!
Top 3 alternatives