SlideMail Alternatives

SlideMail is described as 'Making email better through artificial intelligence' and is a Email Client in the office & productivity category. There are more than 25 alternatives to SlideMail for a variety of platforms, including Mac, Windows, Android, iPhone and Android Tablet. The best alternative is Thunderbird, which is both free and Open Source. Other great apps like SlideMail are K-9 Mail, Microsoft Office Outlook, FairEmail and Evolution.

SlideMail alternatives are mainly Email Clients but may also be Calendar Apps or Group Chat Apps. Filter by these if you want a narrower list of alternatives or looking for a specific functionality of SlideMail.

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SlideMail

Free • Proprietary
Email Client
iPhone

Making email better through artificial intelligence.

Learn more about SlideMail

Mailbird
Sponsored
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
Email tracking
GSuite Integration
Slack integration
Asana integration
Unified communications
Multi Account Switching
Graphical User Interface
Thunderbird
Do you think 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
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.
IMAP Support
SMTP Support
FOSS
Built-in RSS reader
POP3 Support
Add-ons
Intuitive
Graphical User Interface
Customizable
Built-in Calendar
K-9 Mail
Do you think this is a good alternative?
Yes
No
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.
IMAP Support
Configurable
POP3 Support
One view multiple accounts
Contacts
Custom notifications
Header sorting
Exchange
Microsoft Office Outlook
Do you think 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
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
Onenote Desktop Integration
Contacts
Built-in Calendar
Address book integration
Onedrive integration
Smart attachments
Custom rules
Exchange Integration
FairEmail
Do you think this is a good alternative?
Yes
No
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. Block TrackersFairEmail has a feature to block trackers from tracking you.
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. No TrackingFairEmail will not track you or use your personal data.
8. Calendar IntegrationFairEmail lets you sync your tasks and events with your calendar application.
Customizable
Email notifications
Extensive settings menu
IMAP Support
Notifications
S/MIME Support
Evolution
Do you think this is a good alternative?
Yes
No
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
Contacts
CalDAV Support
Encrypted Email
CardDAV Support
Personal Information Manager (PIM)
IMAP Support
Exchange
POP3 Support
Multiple languages
Integrated Spam Protection
Spark Mail
Do you think this is a good alternative?
Yes
No
Freemium • Proprietary
Email Client
Calendar App
Mac
Windows
Android
iPhone
iPad
Apple Watch
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.
Sorting by folder
Snooze Mail
Exchange
AI-Powered
Postpone email reception
eM Client
Do you think this is a good alternative?
Yes
No
Freemium • Proprietary
Email Client
Calendar App
Mac
Windows
64 alternatives to eM Client
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
Mailbird
Do you think this is a good alternative?
Yes
No
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.
Suggest and vote on features
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
Email tracking
GSuite Integration
Slack integration
Asana integration
Unified communications
Multi Account Switching
Graphical User Interface
Claws Mail
Do you think this is a good alternative?
Yes
No
Free • Open Source
Email Client
Calendar App
News Reader
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.
IMAP Support
Customizable
Multiple languages
Integrated Email Client
Content Filtering
Built-in RSS reader