- Free • Open Source
- Email Client
- Calendar App
93 alternatives to Thunderbird- Mac
- Windows
- Linux
- BSD
- AppImageHub
- Snapcraft
- Flathub
- PortableApps.com
- Haiku
- Homebrew
- Chocolatey
Thunderbird is a free, open source, cross-platform e-mail, news and instant messaging client. The project strategy is modeled after Mozilla Firefox.
Thunderbird Features
Top 3 alternatives
- Free • Proprietary
- WebMail Provider
- Email Client
- Mail Server
81 alternatives to Gmail- Online
- Android
- iPhone
- Chrome OS
- Android Tablet
- iPad
- Google Chrome
- Android Wear
- Android TV
- Software as a Service (SaaS)
The official Gmail app brings the best of Gmail to you with robust security, real-time notifications, multiple account support, and search that works across all your mail.
Gmail Features
Top 3 alternatives
- Freemium • Proprietary
- WebMail Provider
- Email Client
- Calendar App
78 alternatives to Tutanota- Mac
- Windows
- Linux
- Online
- Android
- iPhone
- iPad
- Self-Hosted
- Flathub
- 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
Top 3 alternatives
- 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
Top 3 alternatives
- Freemium • Open Source
- Email Client
45 alternatives to Mailspring- Mac
- Windows
- Linux
- Arch Linux
- Fedora
- Ubuntu
Boost your productivity and send better email with Mailspring, a beautiful, fast email client for Mac, Windows, and Linux. Mailspring is free to use and an optional pro version adds read receipts, send later, reminders and more.
Mailspring Features
Top 3 alternatives
- Freemium • Proprietary
- Email Client
- Calendar App
58 alternatives to Spark Mail- Mac
- Windows
- Android
- iPhone
- iPad
- Apple Watch
E-mail app with all the great features: swipes (long/short), snooze, add (multiple) attachments from the cloud, support for various e-mail services and more.
Spark Mail Features
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Posteo is an independent email service provider. Based in Berlin since 2009. With focus on security, privacy, and sustainability. They offer ad free paid email accounts for individuals and businesses.
Posteo Features
Top 3 alternatives
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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Geary is an email application built around conversations, for the GNOME 3 desktop.
Geary Features
Top 3 alternatives
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
Top 3 alternatives
There’s big news attached. The best way to manage email on a Mac, according to Apple.
Apple Mail Features
Top 3 alternatives
- Freemium • Proprietary
- Email Client
- Group Chat App
- Team Collaboration Tool
62 alternatives to Spike- Mac
- Windows
- Online
- Android
- iPhone
- Chrome OS
- Android Tablet
- iPad
- Software as a Service (SaaS)
- Oculus Rift
Bring your workspace together into one unified app. It’s everything your team has been looking for in a productivity and messaging app, but easier, and all with your email. Welcome to the shortest path to done.
Spike Features
Top 3 alternatives
- Freemium • Proprietary
- Email Client
- Calendar App
61 alternatives to Canary Mail- Mac
- Windows
- Android
- iPhone
- Android Tablet
- iPad
- Apple Watch
Email, meet AI. Canary can write your emails, prioritize what needs attention, silence spam & much more. Say hello to your Inbox Copilot!
Canary Mail Features
Top 3 alternatives
- Freemium • Open Source
- WebMail Provider
- Email Client
- Calendar App
49 alternatives to Skiff Mail- Online
- Android
- iPhone
Skiff Mail is private, end-to-end encrypted email. Sign up for 10 GB free storage, instant search, and total privacy.
Skiff Mail Features
Top 3 alternatives
- Paid • Proprietary
- Email Client
90 alternatives to HEY Email- Mac
- Windows
- Linux
- Online
- Android
- iPhone
- Windows S
- Android Tablet
- iPad
Hey is a new hosted email service launched by the makers of Basecamp , which aims to organize your email inbox. Since they don’t sell ads, or invade your privacy, they charge $99/year for HEY
HEY Email Features
Top 3 alternatives