Ltt.rs Alternatives

Ltt.rs is described as 'No-frills, easy to use, easy to maintain Email client for Android based on the JSON Meta Application Protocol (JMAP)' and is an app in the office & productivity category. There are more than 50 alternatives to Ltt.rs for a variety of platforms, including Windows, Mac, Linux, Android and iPhone apps. The best Ltt.rs alternative is Thunderbird, which is both free and Open Source. Other great apps like Ltt.rs are K-9 Mail, Microsoft Office Outlook, SeaMonkey and FairEmail.

Ltt.rs alternatives are mainly Email Clients but may also be Calendar Apps or Web Browsers. Filter by these if you want a narrower list of alternatives or looking for a specific functionality of Ltt.rs.

Ltt.rs alternatives page was last updated

Ltt.rs

Free • Open Source

No-frills, easy to use, easy to maintain Email client for Android based on the JSON Meta Application Protocol (JMAP).

More about Ltt.rs

Mailbird
Sponsored
Paid • Proprietary
Email Client
Windows
66 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
95 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 Ltt.rs.
- - Thunderbird is the most popular Open Source & free alternative to Ltt.rs.
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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. OpenPGPThunderbird supports OpenPGP, a standard of PGP encryption that is open-source for public use.
7. GPG EncryptionThunderbird supports GPG (aka GnuPG) for encryption of things like emails, messages, files, etc.
8. PortableThunderbird can be used from a USB stick or similar with no prior installation.
9. Import/Export OPML FeedsImport and export your feed subscriptions into OPML format with Thunderbird.
IMAP Support
SMTP Support
FOSS
Add-ons
Built-in RSS reader
POP3 Support
Intuitive
Graphical User Interface
Customizable
Integrated Web Browser
K-9 Mail
Is this is a good alternative?
Yes
No
Free • Open Source
Email Client
Android
Android Tablet
F-Droid
46 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 Ltt.rs.
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. End-to-End EncryptionK-9 Mail has E2E Encryption, for entire or parts of the app.
6. No TrackingK-9 Mail will not track you or use your personal data.
7. Unified inboxView e-mails (or similar) from all accounts in one unified view with K-9 Mail.
8. Works OfflineK-9 Mail can be used without the need to connect to the internet.
9. LightweightK-9 Mail consumes less device resources compared to similar apps.
IMAP Support
Configurable
POP3 Support
One view multiple accounts
Contacts
Exchange
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 Web-based, iPhone & iPad alternative to Ltt.rs.
- - Microsoft Office Outlook is the most popular commercial alternative to Ltt.rs.
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
SeaMonkey
Is this is a good alternative?
Yes
No
Free • Open Source
Web Browser
Mac
Windows
Linux
BSD
PortableApps.com
250 SeaMonkey alternatives
Web-browser, advanced e-mail, newsgroup and feed client, IRC chat, and HTML editing in one application. Itis built on the open source Mozilla Gecko engine, the same code which underlies Thunderbird and is the base for the Firefox browser.
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SeaMonkey Features
1. WYSIWYG SupportSeaMonkey integrates a WYSIWYG editor to edit the look and content of a document, page, or file.
2. Privacy focusedSeaMonkey is considered a privacy friendly alternative.
3. LightweightSeaMonkey consumes less device resources compared to similar apps.
4. Extensible by Plugins/ExtensionsSeaMonkey can be extended with add-ons, plugins and extensions.
5. PortableSeaMonkey can be used from a USB stick or similar with no prior installation.
6. Ad-freeSeaMonkey doesn't contain any form of external advertising.
Integrated Email Client
Built-in RSS reader
Add-ons
Built-in Download Manager
Customizable
Support for Firefox extensions
Modular System
FairEmail
Is this is a good alternative?
Yes
No
Freemium • Open Source
Email Client
Android
Android Tablet
F-Droid
46 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. 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
Is this is a good alternative?
Yes
No
Free • Open Source
Email Client
Calendar App
Linux
BSD
Flathub
S/MIME
GNOME
OpenPGP
83 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. 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
Is this is a good alternative?
Yes
No
Freemium • Proprietary
Email Client
Calendar App
Mac
Windows
Android
iPhone
iPad
Apple Watch
60 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. Calendar IntegrationSpark Mail lets you sync your tasks and events with your calendar application.
4. Cloud SyncSync your data (notes, documents, bookmarks, etc.) across your different devices and to the cloud.
5. Email OrganizerSpark Mail allows you to take control of your inbox by filtering and control tools.
6. Dark ModeSpark Mail supports dark mode for comfortable usage in low light conditions.
7. Unified inboxView e-mails (or similar) from all accounts in one unified view with Spark Mail.
8. Works OfflineSpark Mail can be used without the need to connect to the internet.
9. Calendar ViewSpark Mail has a built-in calendar view to have a clear overview of your content over time.
Snooze Mail
Sorting by folder
Ad-free
Sync with Google Calendar
Exchange
Postpone email reception
AI-Powered
Mailspring
Is this is a good alternative?
Yes
No
Freemium • Open Source
Email Client
Mac
Windows
Linux
Arch Linux
Fedora
Ubuntu
45 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
eM Client
Is this is a good alternative?
Yes
No
Freemium • Proprietary
Email Client
Calendar App
Mac
Windows
65 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
Geary
Is this is a good alternative?
Yes
No
Free • Open Source
Email Client
Linux
BSD
Flathub
GNOME
Flatpak
52 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. Privacy focusedGeary is considered a privacy friendly alternative.
7. Email OrganizerGeary allows you to take control of your inbox by filtering and control tools.
Conversational email approach
SMTP Support
IMAP Support
Labels for content
Gmail integration
Multiple languages
Claws Mail
Is this is a good alternative?
Yes
No
Free • Open Source
Email Client
Calendar App
Windows
Linux
BSD
84 Claws Mail alternatives
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.
Suggest and vote on features
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. Spam FilterClaws Mail can detect unsolicited, unwanted and virus-infected emails, calls, files, etc.
6. Privacy focusedClaws Mail is considered a privacy friendly alternative.
7. Works OfflineClaws Mail can be used without the need to connect to the internet.
8. Calendar IntegrationClaws Mail lets you sync your tasks and events with your calendar application.
9. PortableClaws Mail can be used from a USB stick or similar with no prior installation.
IMAP Support
Customizable
Ad-free
GPG Encryption
Import/Export OPML Feeds
End-to-End Encryption
Built-in RSS reader
Integrated Email Client
Multiple languages
Content Filtering