Claws Mail AlternativesEmail Clients and other similar apps like Claws Mail

Claws Mail is described as 'Email client (and news reader), based on GTK+, featuring' and is a popular Email Client in the office & productivity category. There are more than 50 alternatives to Claws Mail for a variety of platforms, including Windows, Mac, Linux, Android and iPhone apps. The best Claws Mail alternative is Thunderbird, which is both free and Open Source. Other great apps like Claws Mail are K-9 Mail, Microsoft Office Outlook, FairEmail and Evolution.

Claws Mail alternatives are mainly Email Clients but may also be Calendar Apps or RSS Readers. Filter by these if you want a narrower list of alternatives or looking for a specific functionality of Claws Mail.

Claws Mail

Free • Open Source
Email Client

Claws Mail is an email client (and news reader), based on GTK+, featuring

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More about Claws Mail

Claws Mail alternatives page was last updated

Mailbird
Sponsored
Paid • Proprietary
Email Client
Windows
65 Mailbird 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.
Thunderbird
Is this is a good alternative?
Yes
No
Free • Open Source
Email Client
Calendar App
Mac
Windows
Linux
BSD
AppImageHub
Snapcraft
Flathub
PortableApps.com
Haiku
Homebrew
Chocolatey
94 Thunderbird alternatives
Thunderbird is a free, open source, cross-platform e-mail, news and instant messaging client. The project strategy is modeled after Mozilla Firefox.
- - Thunderbird is the most popular Windows, Mac & Linux alternative to Claws Mail.
- - Thunderbird is the most popular Open Source & free alternative to Claws Mail.
Suggest and vote on features
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. OpenPGPThunderbird supports OpenPGP, a standard of PGP encryption that is open-source for public use.
7. PortableThunderbird can be used from a USB stick or similar with no prior installation.
8. GPG EncryptionThunderbird supports GPG (aka GnuPG) for encryption of things like emails, messages, files, etc.
9. Works OfflineThunderbird can be used without the need to connect to the internet.
IMAP Support
SMTP Support
FOSS
Add-ons
Built-in RSS reader
POP3 Support
Graphical User Interface
Intuitive
Customizable
Integrated Web Browser
Comments about Thunderbird as a Alternative to Claws Mail
Most users think Thunderbird is a great Claws Mail alternative.
Mel Sharploof
Thunderbird is great if you want the tantalizing prospect of tons of power & customizability, and an equivalent amount of random bugs and troubleshooting to make sure it's not worth it.
Negative comment •
2

jasonbrown1965journo
I never got to random bugs and troubleshooting. TB always crashed before I got to that stage. Even on a 16gb debian machine with an SSD. Claws not as easy to use but much, much lighter. Wish they'd get rid of that creepy turkey foot logo tho.
Negative comment •
0
K-9 Mail
Is this is a good alternative?
Yes
No
Free • Open Source
Email Client
Android
Android Tablet
F-Droid
42 K-9 Mail alternatives
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 is the most popular Android & Android Tablet alternative to Claws Mail.
Suggest and vote on features
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.
5. No TrackingK-9 Mail will not track you or use your personal data.
6. Unified inboxView e-mails (or similar) from all accounts in one unified view with K-9 Mail.
7. Works OfflineK-9 Mail can be used without the need to connect to the internet.
8. LightweightK-9 Mail consumes less device resources compared to similar apps.
9. End-to-End EncryptionK-9 Mail has E2E Encryption, for entire or parts of the app.
IMAP Support
Configurable
POP3 Support
One view multiple accounts
Contacts
Exchange
Dark Mode
Custom notifications
Header sorting
Comments about K-9 Mail as a Alternative to Claws Mail
Almost everyone thinks K-9 Mail is a great Claws Mail alternative.
Guest
Best open-source mail client for android!
Positive comment •
4
Microsoft Office Outlook
Is this is a good alternative?
Yes
No
Paid • Proprietary
Email Client
Calendar App
Mac
Windows
Online
Android
iPhone
Android Tablet
Windows Phone
iPad
Apple Watch
Android Wear
141 Microsoft Office Outlook alternatives
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 is the most popular Web-based, iPhone & iPad alternative to Claws Mail.
- - Microsoft Office Outlook is the most popular commercial alternative to Claws Mail.
Suggest and vote on features
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. Support for @mentionsMicrosoft Office Outlook supports the use of mentions through @ to a particular user, who will be notified personally.
4. Calendar ViewMicrosoft Office Outlook has a built-in calendar view to have a clear overview of your content over time.
5. Support for AliasesMicrosoft Office Outlook supports aliases, so you can receive email without exposing your main email address
6. Unified inboxView e-mails (or similar) from all accounts in one unified view with Microsoft Office Outlook.
7. Multiple Account supportMicrosoft Office Outlook support multiple accounts without the need to logout and login
8. Works OfflineMicrosoft Office Outlook can be used without the need to connect to the internet.
9. Cloud SyncSync your data (notes, documents, bookmarks, etc.) across your different devices and to the cloud.
Exchange
Native application
Contacts
Built-in Calendar
Onenote Desktop Integration
Address book integration
Dropbox integration
Gmail integration
Office 365 integration
Onedrive integration
Opinions about Microsoft Office Outlook as a Alternative to Claws Mail
Some users think Microsoft Office Outlook is a great Claws Mail alternative, some don't.
FairEmail
Is this is a good alternative?
Yes
No
Freemium • Open Source
Email Client
Android
Android Tablet
F-Droid
44 FairEmail alternatives
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.
Suggest and vote on features
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. No TrackingFairEmail will not track you or use your personal data.
6. Ad-freeFairEmail doesn't contain any form of external advertising.
7. Unified inboxView e-mails (or similar) from all accounts in one unified view with FairEmail.
8. Dark ModeFairEmail supports dark mode for comfortable usage in low light conditions.
9. LightweightFairEmail consumes less device resources compared to similar apps.
Customizable
Email Notifications
Extensive settings menu
IMAP Support
Notifications
S/MIME Support
Block Trackers
Calendar Integration
Evolution
Is this is a good alternative?
Yes
No
Free • Open Source
Email Client
Calendar App
Linux
BSD
Flathub
S/MIME
GNOME
OpenPGP
82 Evolution alternatives
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...
Suggest and vote on features
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. Sync with Google CalendarEvolution can be synchronized with Google Calendar
6. GPG EncryptionEvolution supports GPG (aka GnuPG) for encryption of things like emails, messages, files, etc.
7. RemindersEvolution allows you to set reminders for tasks, events or actions, based on parameters of time, place or condition.
8. Spam FilterEvolution can detect unsolicited, unwanted and virus-infected emails, calls, files, etc.
Contacts
CalDAV Support
Encrypted Email
CardDAV Support
Personal Information Manager (PIM)
IMAP Support
POP3 Support
Exchange
Integrated Spam Protection
Multiple languages
Opinions about Evolution as a Alternative to Claws Mail
Almost everyone thinks Evolution is a great Claws Mail alternative.
Spark Mail
Is this is a good alternative?
Yes
No
Freemium • Proprietary
Email Client
Calendar App
Mac
Windows
Android
iPhone
iPad
Apple Watch
59 Spark Mail alternatives
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.
Suggest and vote on features
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. Dark ModeSpark Mail supports dark mode for comfortable usage in low light conditions.
5. Calendar IntegrationSpark Mail lets you sync your tasks and events with your calendar application.
6. Email OrganizerSpark Mail allows you to take control of your inbox by filtering and control tools.
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.
9. Ad-freeSpark Mail doesn't contain any form of external advertising.
Snooze Mail
Sorting by folder
Mail Filtering
Calendar View
Sync with Google Calendar
Exchange
AI-Powered
Postpone email reception
eM Client
Is this is a good alternative?
Yes
No
Freemium • Proprietary
Email Client
Calendar App
Mac
Windows
Android
64 eM Client 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.
Suggest and vote on features
eM Client Features
1. Calendar IntegrationeM Client lets you sync your tasks and events with your calendar application.
2. Multiple Account supporteM Client support multiple accounts without the need to logout and login
3. PGP EncryptioneM Client supports PGP, an encryption system used for sending encrypted emails and files.
4. Dark ModeeM Client supports dark mode for comfortable usage in low light conditions.
5. Unified inboxView e-mails (or similar) from all accounts in one unified view with eM Client.
6. Cloud SyncSync your data (notes, documents, bookmarks, etc.) across your different devices and to the cloud.
7. Email OrganizereM Client allows you to take control of your inbox by filtering and control tools.
8. Sync with Google CalendareM Client can be synchronized with Google Calendar
9. Automatic BackupeM Client will automatically back up your data periodically.
IMAP Support
Exchange
CardDAV Support
CalDAV Support
Contacts
Gmail integration
Calendar Sync
POP3 Support
Email preview
Sync Contacts
Reeder
Is this is a good alternative?
Yes
No
Paid • Proprietary
News Reader
RSS Reader
Mac
iPhone
iPad
285 Reeder alternatives
A news reader for the Mac with support for various sync services.
Suggest and vote on features
Reeder Features
1. Cloud SyncSync your data (notes, documents, bookmarks, etc.) across your different devices and to the cloud.
2. Import/Export OPML FeedsImport and export your feed subscriptions into OPML format with Reeder .
3. Dark ModeReeder supports dark mode for comfortable usage in low light conditions.
4. Multiple Account supportReeder support multiple accounts without the need to logout and login
Offline Reading
Feedly client
Synchronization
Betterbird
Is this is a good alternative?
Yes
No
Free • Open Source
Email Client
Calendar App
Windows
Linux
Flathub
29 Betterbird alternatives
Betterbird is a fine-tuned version of Mozilla Thunderbird, Thunderbird on steroids, if you will.
Suggest and vote on features
Betterbird Features
1. Multiple Account supportBetterbird support multiple accounts without the need to logout and login
2. Extensible by Plugins/ExtensionsBetterbird can be extended with add-ons, plugins and extensions.
3. Privacy focusedBetterbird is considered a privacy friendly alternative.
4. LightweightBetterbird consumes less device resources compared to similar apps.
5. Unified inboxView e-mails (or similar) from all accounts in one unified view with Betterbird.
6. Support for ThemesYou can use themes and templates to change the look and feel of Betterbird.
7. Works OfflineBetterbird can be used without the need to connect to the internet.
8. PGP EncryptionBetterbird supports PGP, an encryption system used for sending encrypted emails and files.
9. No TrackingBetterbird will not track you or use your personal data.
Ad-free
FOSS
Email Organizer
Built-in RSS reader
No Coding Required
Sync with Google Calendar
Personal Information Manager (PIM)
Spam Filter
Calendar Integration
Mail Filtering
Mailspring
Is this is a good alternative?
Yes
No
Freemium • Open Source
Email Client
Mac
Windows
Linux
Arch Linux
Fedora
Ubuntu
44 Mailspring alternatives
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.
Suggest and vote on features
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.
Customizable
Email tracking
User friendly
Snooze Mail
Built-in translation
Built-in themes
Auto Update
Notifications
Sidebar
Theme Customization
Geary
Is this is a good alternative?
Yes
No
Free • Open Source
Email Client
Linux
BSD
Flathub
GNOME
Flatpak
51 Geary alternatives
Geary is an email application built around conversations, for the GNOME 3 desktop.
Suggest and vote on features
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. Email OrganizerGeary allows you to take control of your inbox by filtering and control tools.
7. Privacy focusedGeary is considered a privacy friendly alternative.
Conversational email approach
Gmail integration
IMAP Support
SMTP Support
Labels for content
Multiple languages