Koma-Mail AlternativesEmail Clients & Calendar Apps like Koma-Mail

Koma-Mail is described as 'Email client which is comfortable and has very handy functions. It does not need an installation, so that you can run Koma-Mail from your flash drive but, of course, also on your desktop' and is a Email Client in the office & productivity category. There are more than 50 alternatives to Koma-Mail for a variety of platforms, including Windows, Mac, Linux, Android and iPhone apps. The best Koma-Mail alternative is Thunderbird, which is both free and Open Source. Other great apps like Koma-Mail are Google Calendar, K-9 Mail, Microsoft Office Outlook and FairEmail.

Koma-Mail alternatives are mainly Email Clients but may also be Calendar Apps or Todo List Managers. Filter by these if you want a narrower list of alternatives or looking for a specific functionality of Koma-Mail.

Koma-Mail

Free • Proprietary
Email Client

Koma-Mail is an email client which is comfortable and has very handy functions. It does not need an installation, so that...

More about Koma-Mail

Koma-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 Koma-Mail.
- - Thunderbird is the most popular Open Source & free alternative to Koma-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
Google Calendar
Is this is a good alternative?
Yes
No
Free • Proprietary
Calendar App
Online
Android
iPhone
Chrome OS
Android Tablet
iPad
Sunbird
Google Chrome
139 Google Calendar alternatives
With Google Calendar, its easy to keep track of all your lifes important events in one place. You can add events and send invitations effortlessly, share your schedule with friends and family, and search for events you might enjoy.
- - Google Calendar is the most popular Web-based, Android, iPhone, iPad & Android Tablet alternative to Koma-Mail.
Suggest and vote on features
Google Calendar Features
1. Cloud SyncSync your data (notes, documents, bookmarks, etc.) across your different devices and to the cloud.
2. IFTTT IntegrationYou can connect different services to automatically trigger actions within Google Calendar using IFTTT.
3. Calendar IntegrationGoogle Calendar lets you sync your tasks and events with your calendar application.
Reminder for deadlines
Material design
Data export/import
Shared Calendar
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.
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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.
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
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 commercial alternative to Koma-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
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.
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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. No TrackingFairEmail will not track you or use your personal data.
5. Works OfflineFairEmail can be used without the need to connect to the internet.
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. Block TrackersFairEmail has a feature to block trackers from tracking you.
Customizable
Email Notifications
Extensive settings menu
IMAP Support
Notifications
S/MIME Support
Lightweight
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...
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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. 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
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.
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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. 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.
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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
Simple Calendar
Is this is a good alternative?
Yes
No
Freemium • Open Source
Calendar App
Android
Android Tablet
F-Droid
98 Simple Calendar alternatives
A simple calendar with optional CalDAV synchronization. You can easily create recurring events and setup reminders, it can also display week numbers.
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Simple Calendar Features
1. Dark ModeSimple Calendar supports dark mode for comfortable usage in low light conditions.
2. No TrackingSimple Calendar will not track you or use your personal data.
3. Works OfflineSimple Calendar can be used without the need to connect to the internet.
4. RemindersSimple Calendar allows you to set reminders for tasks, events or actions, based on parameters of time, place or condition.
5. Privacy focusedSimple Calendar is considered a privacy friendly alternative.
6. Ad-freeSimple Calendar doesn't contain any form of external advertising.
Notifications
WebDAV Support
Customizable
Built-in Calendar
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.
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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. 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
Apple Mail
Is this is a good alternative?
Yes
No
Free • Proprietary
Email Client
Mac
iPhone
iPad
81 Apple Mail alternatives
There’s big news attached. The best way to manage email on a Mac, according to Apple.
Suggest and vote on features
Apple Mail Features
1. Email OrganizerApple Mail allows you to take control of your inbox by filtering and control tools.
2. Multiple Account supportApple Mail support multiple accounts without the need to logout and login
Bundled with macOS
CalDAV Support
CardDAV Support
Exchange
Rich text editing
Encrypted Email
Customizable