Email Clients

Nothing is more annoying than a messy email inbox and a large part of our work life is about trying to get rid of all those unread mails. Switching to a new email client won’t solve all your problems, but perhaps there is functionality that can make your life easier.

Here we have gathered the best email apps online – software rated, ranked and reviewed by our users. Whether you look for a clean, simple email app for your smartphone or something more advanced for your laptop, you’ll find all alternatives here. Read through reviews and software information and download an email client that suits your needs.

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Thunderbird
Free • Open Source
Email Client
Calendar App
Mac
Windows
Linux
BSD
AppImageHub
Snapcraft
Flathub
PortableApps.com
Haiku
Homebrew
Chocolatey
93 alternatives to Thunderbird
Thunderbird is a free, open source, cross-platform e-mail, news and instant messaging client. The project strategy is modeled after Mozilla Firefox.
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Thunderbird Features
1. Extensible by Plugins/ExtensionsThunderbird can be extended with add-ons, plugins and extensions.
2. Multiple Account supportThunderbird support multiple accounts without the need to logout and login
3. Calendar IntegrationThunderbird lets you sync your tasks and events with your calendar application.
4. Email OrganizerThunderbird allows you to take control of your inbox by filtering and control tools.
5. Dark ModeThunderbird supports dark mode for comfortable usage in low light conditions.
6. Import/Export OPML FeedsImport and export your feed subscriptions into OPML format with Thunderbird.
7. PortableThunderbird can be used from a USB stick or similar with no prior installation.
8. Support for ThemesYou can use themes and templates to change the look and feel of Thunderbird.
9. Integrated Password ManagerThunderbird lets you access all the passwords you’ve saved across your different devices.
Extensible by Plugins/Extensions
Multiple Account support
IMAP Support
Calendar Integration
SMTP Support
FOSS
Email Organizer
Built-in RSS reader
Add-ons
Intuitive
Top 3 alternatives
Proton Mail
Freemium • Open Source
WebMail Provider
Email Client
Calendar App
Linux
Online
Android
iPhone
iPad
Tor
85 alternatives to Proton Mail
Secure email with absolutely no compromises, brought to you by MIT and CERN scientists.
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Proton Mail Features
1. End-to-End EncryptionProton Mail has E2E Encryption, for entire or parts of the app.
2. Privacy focusedProton Mail is considered a privacy friendly alternative.
3. Ad-freeProton Mail doesn't contain any form of external advertising.
4. Two-factor AuthenticationProton Mail supports two-factor authentication (2FA).
5. PGP EncryptionProton Mail supports PGP, an encryption system used for sending encrypted emails and files.
6. No TrackingProton Mail will not track you or use your personal data.
7. Self Destructing MessagesProton Mail supports the use of private messages that will be auto deleted according to a specified time or action.
8. Dark ModeProton Mail supports dark mode for comfortable usage in low light conditions.
9. OpenPGPProton Mail supports OpenPGP, a standard of PGP encryption that is open-source for public use.
End-to-End Encryption
Privacy focused
Encrypted Email
Ad-free
Two-factor Authentication
Mobile friendly
Anonymous Email
Custom Domain
PGP Encryption
No Tracking
Top 3 alternatives
Gmail
Free • Proprietary
WebMail Provider
Email Client
Mail Server
Online
Android
iPhone
Chrome OS
Android Tablet
iPad
Google Chrome
Android Wear
Android TV
Software as a Service (SaaS)
80 alternatives to Gmail
Gmail is a free search-based web-mail service. It offers a full featured web-based email client with search capabilities, a mailbox with Pop and IMAP access, SPAM protection, display of email threads as conversations, a labeling and filtering system, an integrated chat, 15 GB of...
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Gmail Features
1. Multiple Account supportGmail support multiple accounts without the need to logout and login
2. Email OrganizerGmail allows you to take control of your inbox by filtering and control tools.
3. Works OfflineGmail can be used without the need to connect to the internet.
4. Mail FilteringGmail classifies email messages according to specified criteria, allowing you to automatically recognize fraudulent or spam messages.
5. IFTTT IntegrationYou can connect different services to automatically trigger actions within Gmail using IFTTT.
6. Unified inboxView e-mails (or similar) from all accounts in one unified view with Gmail.
Integrated Search
Integrated Chat
Multiple Account support
Basic html mode
Custom Backgrounds
Outlook integration
Email Organizer
Works Offline
Canned responses
Emoji Text support
Top 3 alternatives
Tutanota
Freemium • Proprietary
WebMail Provider
Email Client
Calendar App
Mac
Windows
Linux
Online
Android
iPhone
iPad
Self-Hosted
F-Droid
77 alternatives to Tutanota
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.
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Tutanota Features
1. Privacy focusedTutanota is considered a privacy friendly alternative.
2. End-to-End EncryptionTutanota has E2E Encryption, for entire or parts of the app.
3. Dark ModeTutanota supports dark mode for comfortable usage in low light conditions.
4. Multiple Account supportTutanota support multiple accounts without the need to logout and login
5. LightweightTutanota consumes less device resources compared to similar apps.
6. Email OrganizerTutanota allows you to take control of your inbox by filtering and control tools.
7. Ad-freeTutanota doesn't contain any form of external advertising.
8. No TrackingTutanota will not track you or use your personal data.
9. Calendar IntegrationTutanota lets you sync your tasks and events with your calendar application.
Privacy focused
Encrypted Email
End-to-End Encryption
Dark Mode
Custom Domain
Encrypted calendar
Contacts
Integrated File Sharing
Multiple Account support
Clean design
Top 3 alternatives
K-9 Mail
Free • Open Source
Email Client
Android
Android Tablet
F-Droid
46 alternatives to K-9 Mail
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.
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K-9 Mail Features
1. Ad-freeK-9 Mail doesn't contain any form of external advertising.
2. Multiple Account supportK-9 Mail support multiple accounts without the need to logout and login
3. Privacy focusedK-9 Mail is considered a privacy friendly alternative.
4. PGP EncryptionK-9 Mail supports PGP, an encryption system used for sending encrypted emails and files.
Ad-free
IMAP Support
Configurable
Multiple Account support
Privacy focused
POP3 Support
One view multiple accounts
PGP Encryption
Contacts
Custom notifications
Top 3 alternatives
Microsoft Office Outlook
Paid • Proprietary
Email Client
Calendar App
Mac
Windows
Online
Android
iPhone
Android Tablet
Windows Phone
iPad
Apple Watch
Android Wear
135 alternatives to Microsoft Office Outlook
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.
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Microsoft Office Outlook Features
1. Email OrganizerMicrosoft Office Outlook allows you to take control of your inbox by filtering and control tools.
2. Calendar IntegrationMicrosoft Office Outlook lets you sync your tasks and events with your calendar application.
3. Calendar ViewMicrosoft Office Outlook has a built-in calendar view to have a clear overview of your content over time.
4. Support for AliasesMicrosoft Office Outlook supports aliases, so you can receive email without exposing your main email address
5. Unified inboxView e-mails (or similar) from all accounts in one unified view with Microsoft Office Outlook.
6. Multiple Account supportMicrosoft Office Outlook support multiple accounts without the need to logout and login
7. Works OfflineMicrosoft Office Outlook can be used without the need to connect to the internet.
8. Cloud SyncSync your data (notes, documents, bookmarks, etc.) across your different devices and to the cloud.
9. Dark ModeMicrosoft Office Outlook supports dark mode for comfortable usage in low light conditions.
Exchange
Native application
Email Organizer
Onenote Desktop Integration
Contacts
Built-in Calendar
Calendar Integration
Address book integration
Calendar View
Support for Aliases
Top 3 alternatives
FairEmail
Freemium • Open Source
Email Client
Android
Android Tablet
F-Droid
45 alternatives to FairEmail
FairEmail is a privacy-focused email client with a setup wizard that helpfully walks you through the steps to use it with any email provider. There are many privacy settings including encryption via OpenPGP and S/MIME and reformatted emails to avoid phishing.
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FairEmail Features
1. Privacy focusedFairEmail is considered a privacy friendly alternative.
2. Multiple Account supportFairEmail support multiple accounts without the need to logout and login
3. PGP EncryptionFairEmail supports PGP, an encryption system used for sending encrypted emails and files.
4. Works OfflineFairEmail can be used without the need to connect to the internet.
5. Block TrackersFairEmail has a feature to block trackers from tracking you.
6. No TrackingFairEmail will not track you or use your personal data.
7. Calendar IntegrationFairEmail lets you sync your tasks and events with your calendar application.
Privacy focused
Multiple Account support
Customizable
PGP Encryption
Email notifications
Extensive settings menu
IMAP Support
Notifications
S/MIME Support
Works Offline
Top 3 alternatives
Evolution
Free • Open Source
Email Client
Calendar App
Linux
BSD
S/MIME
GNOME
OpenPGP
Flathub
82 alternatives to Evolution
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...
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Evolution Features
1. Calendar IntegrationEvolution lets you sync your tasks and events with your calendar application.
2. Calendar ViewEvolution has a built-in calendar view to have a clear overview of your content over time.
3. Ad-freeEvolution doesn't contain any form of external advertising.
4. Multiple Account supportEvolution support multiple accounts without the need to logout and login
5. GPG EncryptionEvolution supports GPG (aka GnuPG) for encryption of things like emails, messages, files, etc.
6. Spam FilterEvolution can detect unsolicited, unwanted and virus-infected emails, calls, files, etc.
7. RemindersEvolution allows you to set reminders for tasks, events or actions, based on parameters of time, place or condition.
8. Sync with Google CalendarEvolution can be synchronized with Google Calendar
Calendar Integration
Contacts
CalDAV Support
Encrypted Email
CardDAV Support
Calendar View
Personal Information Manager (PIM)
Ad-free
Multiple Account support
IMAP Support
Top 3 alternatives
Spark Mail
Freemium • Proprietary
Email Client
Calendar App
Mac
Android
iPhone
iPad
Apple Watch
Windows
58 alternatives to Spark Mail
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.
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Spark Mail Features
1. Multiple Account supportSpark Mail support multiple accounts without the need to logout and login
2. Email SchedulingYou can schedule a marketing, sales, or personal email for a time in the future with Spark Mail.
3. Cloud SyncSync your data (notes, documents, bookmarks, etc.) across your different devices and to the cloud.
4. Email OrganizerSpark Mail allows you to take control of your inbox by filtering and control tools.
5. Calendar IntegrationSpark Mail lets you sync your tasks and events with your calendar application.
6. Dark ModeSpark Mail supports dark mode for comfortable usage in low light conditions.
7. Works OfflineSpark Mail can be used without the need to connect to the internet.
8. Unified inboxView e-mails (or similar) from all accounts in one unified view with Spark Mail.
Multiple Account support
Email Scheduling
Sorting by folder
Snooze Mail
Cloud Sync
Calendar Integration
Email Organizer
Dark Mode
Exchange
Works Offline
Top 3 alternatives
Mailspring
Freemium • Open Source
Email Client
Mac
Windows
Linux
Arch Linux
Fedora
Ubuntu
45 alternatives to Mailspring
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.
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Mailspring Features
1. Unified inboxView e-mails (or similar) from all accounts in one unified view with Mailspring.
2. Multiple Account supportMailspring support multiple accounts without the need to logout and login
3. Dark ModeMailspring supports dark mode for comfortable usage in low light conditions.
4. Support for ThemesYou can use themes and templates to change the look and feel of Mailspring.
5. Ad-freeMailspring doesn't contain any form of external advertising.
6. Email OrganizerMailspring allows you to take control of your inbox by filtering and control tools.
7. Extensible by Plugins/ExtensionsMailspring can be extended with add-ons, plugins and extensions.
Unified inbox
Multiple Account support
Dark Mode
Customizable
Email tracking
User friendly
Snooze Mail
Built-in translation
Support for Themes
Built-in themes
Top 3 alternatives
Delta Chat
Free • Open Source
Encrypted Chat App
Instant Messenger
Group Chat App
Mac
Windows
Linux
Android
iPhone
Android Tablet
FLATHUB
F-Droid
55 alternatives to Delta Chat
Delta Chat looks and feels like other popular messenger apps, but does not involve centralized control, tracking or selling you, friends, colleagues or family out to large organizations. "Privacy by Design" has never been more fun.
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Delta Chat Features
1. DecentralizedDelta Chat is based on a decentralized infrastructure with no single entity controlling it.
Decentralized
Encrypted Email
IMAP Support
Multiple languages
Electron based
Top 3 alternatives
Mailbird
Paid • Proprietary
Email Client
Windows
64 alternatives to Mailbird
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.
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Mailbird Features
1. Dark ModeMailbird supports dark mode for comfortable usage in low light conditions.
2. Unified inboxView e-mails (or similar) from all accounts in one unified view with Mailbird.
3. Multiple Account supportMailbird support multiple accounts without the need to logout and login
4. Email template editorMailbird offers pre-defined email layouts so you can add content or customize your own templates.
5. Email OrganizerMailbird allows you to take control of your inbox by filtering and control tools.
Clean design
Sync Contacts
Undo send
Dark Mode
Email tracking
Unified inbox
GSuite Integration
Slack integration
Asana integration
Unified communications
Top 3 alternatives
Geary
Free • Open Source
Email Client
Linux
BSD
GNOME
Flatpak
Flathub
52 alternatives to Geary
Geary is an email application built around conversations, for the GNOME 3 desktop.
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Geary Features
1. Multiple Account supportGeary support multiple accounts without the need to logout and login
2. Dark ModeGeary supports dark mode for comfortable usage in low light conditions.
3. LightweightGeary consumes less device resources compared to similar apps.
4. Spam FilterGeary can detect unsolicited, unwanted and virus-infected emails, calls, files, etc.
5. Ad-freeGeary doesn't contain any form of external advertising.
6. Privacy focusedGeary is considered a privacy friendly alternative.
7. Email OrganizerGeary allows you to take control of your inbox by filtering and control tools.
Multiple Account support
Conversational email approach
Dark Mode
SMTP Support
IMAP Support
Lightweight
Labels for content
Spam Filter
Gmail integration
Ad-free
Top 3 alternatives
Zoho Mail
Freemium • Proprietary
WebMail Provider
Email Client
Mac
Windows
Linux
Online
Android
iPhone
96 alternatives to Zoho Mail
Zoho Mail is an integrated email suite for modern enterprises, complete with Calendar, Notes, Tasks, Contacts, and Bookmarks. With over 15 million satisfied users and a decade of experience as a business email provider, we’re equipped to sail through any challenge unique to an...
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Zoho Mail Features
1. Ad-freeZoho Mail doesn't contain any form of external advertising.
2. Privacy focusedZoho Mail is considered a privacy friendly alternative.
3. Mail FilteringZoho Mail classifies email messages according to specified criteria, allowing you to automatically recognize fraudulent or spam messages.
4. Two-factor AuthenticationZoho Mail supports two-factor authentication (2FA).
5. Support for AliasesZoho Mail supports aliases, so you can receive email without exposing your main email address
Custom Domain
Ad-free
Privacy focused
Virtual office
Mail Filtering
Document sharing
SMTP Support
Two-factor Authentication
POP3 Support
Integrated Spam Protection
Top 3 alternatives
Claws Mail
Free • Open Source
Email Client
Calendar App
Windows
Linux
BSD
88 alternatives to Claws Mail
Claws Mail is an email client (and news reader), based on GTK+, featuring

Quick response Graceful, and sophisticated interface Easy configuration, intuitive operation Abundant features Extensibility Robustness and stability.
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Claws Mail Features
1. LightweightClaws Mail consumes less device resources compared to similar apps.
2. Extensible by Plugins/ExtensionsClaws Mail can be extended with add-ons, plugins and extensions.
3. Multiple Account supportClaws Mail support multiple accounts without the need to logout and login
4. No registration requiredYou can use most of the features in Claws Mail without registration.
5. Import/Export OPML FeedsImport and export your feed subscriptions into OPML format with Claws Mail.
6. Spam FilterClaws Mail can detect unsolicited, unwanted and virus-infected emails, calls, files, etc.
7. PortableClaws Mail can be used from a USB stick or similar with no prior installation.
Lightweight
Extensible by Plugins/Extensions
Multiple Account support
IMAP Support
No registration required
Import/Export OPML Feeds
Spam Filter
Customizable
Portable
Multiple languages
Top 3 alternatives

Thunderbird Features

Top 3 alternatives

Proton Mail Features

Top 3 alternatives

Gmail Features

Top 3 alternatives

Tutanota Features

Top 3 alternatives

K-9 Mail Features

Top 3 alternatives

Microsoft Office Outlook Features

Top 3 alternatives

FairEmail Features

Top 3 alternatives

Evolution Features

Top 3 alternatives

Spark Mail Features

Top 3 alternatives

Mailspring Features

Top 3 alternatives

Delta Chat Features

Top 3 alternatives

Mailbird Features

Top 3 alternatives

Geary Features

Top 3 alternatives

Zoho Mail Features

Top 3 alternatives

Claws Mail Features

Top 3 alternatives