Alternatives to Mailbox for all platforms with any license

eM Client Sponsored

eM Client is a full featured email client with a modern and easy to use interface. - offers calendar, tasks, contacts and even chat. - supports all major services including Gmail, Exchange, iCloud, and Outlook.com.

Freemium Mac Windows
Calendar integration Cross-platform Gmail integration Multiple Account support ... Night mode/Dark Theme PGP Encryption Unified inbox Video chat Automatic Backup Built-in themes Built-in translation CalDAV CardDAV Cloud sync Combined Inbox Sync Contacts Contacts Encrypted Email Email preview Exchange Apps that Sync with Google Calendar Support for IMAP Imports email from Live mail Night mode/Dark Theme Organize mails Outlook integration POP3 Support Ssl Calendar Sync Threaded Conversations Add a feature

208 Like
Thunderbird

Thunderbird is a free, open source, cross-platform e-mail, news and instant messaging client. The project strategy is modeled after Mozilla Firefox.

Free Open Source Mac Windows Linux BSD PortableApps.com ... Haiku
Support for IMAP Extensible by Plugins/Extensions SMTP integration Built-in RSS reader ... Multiple Account support Add-ons Calendar integration Encryption Extensions Desktop interface Gui Integrated Web Browser Intuitive Night mode/Dark Theme Protected by Password Plugins Support for POP3 Tabs Built-in Calendar Categories Customizable Delivery reports Extensible by Plugins/Extensions Free API Gmail integration Google Calendar integration Import from Google Reader HTML Compose Integrated Chat Integrated Password Manager Legacy addons support Export to OPML Import feeds from OPML Organize mails POP3 Support Portable Secure File Sharing Tabbed interface Support for Themes Add a feature

2043 Like
K-9 Mail

Open source Android email client with support for multi-folder sync, keyboard shortcuts, and more.

Free Open Source Android Android Tablet F-Droid
Ad-free Encryption Support for IMAP POP3 Support ... Configurable Encrypted chat Exchange Header sorting Multiple Account support One view multiple accounts PGP Encryption Privacy focused Add a feature

240 Like
Microsoft Office Outlook

Part of the Microsoft Office Suite, Outlook is a personal information manager that lets you manage your e-mail, calendar, contacts, and tasks.

Commercial $ $ $ Mac Windows Web Android iPhone ... Android Tablet Windows Phone iPad Apple Watch Android Wear
Address book integration Built-in Calendar Calendar integration Custom rules ... Exchange Native application Onenote Desktop Integration Box.com integration Contacts Dropbox integration Email scheduling Exchange Integration Flight Status Gmail integration ICloud Integration Integrated Search Multiple Account support Night mode/Dark Theme Office 365 integration Onedrive integration Organize mails Shared calendars Signature with image Smart attachments Todos Unified inbox Yahoo Integration Add a feature

363 Like
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 and chat.

Freemium Mac Windows
Calendar integration Cross-platform Gmail integration Multiple Account support ... Night mode/Dark Theme PGP Encryption Unified inbox Video chat Automatic Backup Built-in themes Built-in translation CalDAV CardDAV Cloud sync Combined Inbox Sync Contacts Contacts Encrypted Email Email preview Exchange Apps that Sync with Google Calendar Support for IMAP Imports email from Live mail Night mode/Dark Theme Organize mails Outlook integration POP3 Support Ssl Calendar Sync Threaded Conversations Add a feature

208 Like
Spark

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.

Freemium Mac Android iPhone
Smart inbox Clean design Email scheduling Multiple Account support ... Snooze mail Sync across Devices Calendar integration Exchange Organize mails Postpone email reception Add a feature

91 Like
Apple Mail

There’s big news attached. The best way to manage email on a Mac gets even better with OS X Yosemite.

Free Mac iPhone iPad
Bundled with macOS CalDAV CardDAV Encrypted Email ... Exchange Organize mails Rich text editing UI customization Add a feature

226 Like
Mailbird

Mailbird is more than just another email client - It's an all-in-one communication platform for email, contacts, calendar, apps, task management, video meetings and...

Commercial $ $ $ Windows
Night mode/Dark Theme Undo send Asana integration Clean design ... Sync Contacts Contacts Dropbox integration Facebook Facebook integration GSuite Integration Multiple Account support News Organize mails Sidebar Slack client Slack integration Threaded Conversations Trello integration Twitter Twitter integration Unified inbox Add a feature

289 Like
Postbox

Postbox is an email application that helps you organize your work life and get stuff done. It has all the elegance and simplicity of Apple Mail, but with more power...

Commercial $ $ $ Mac Windows
Exchange Multiple Account support Box.com integration Built-in RSS reader ... Dropbox integration Extensible by Plugins/Extensions Support for IMAP Multiple languages Onedrive integration POP3 Support Tabbed interface Visual Programming Add a feature

146 Like
Know any more alternatives to Mailbox?
Suggest an application to this list
Claws Mail

Claws Mail is an email client (and news reader), based on GTK+, featuring Quick response Graceful, and sophisticated interface Easy configuration...

Free Open Source Windows Linux BSD
Lightweight Built-in RSS reader Content Filtering Customizable ... Extensible by Plugins/Extensions Support for IMAP Integrated Email Client Multiple languages Multiple Account support Add a feature

88 Like
Microsoft Mail and Calendar

Windows 10 has Mail and Calendar apps already built in. With the Mail application you can now easily see all message from your...

Free Windows Windows S
Run in background Email tracking Task Management Bundled with Windows Add a feature

33 Like

3 out of 5 with 1 ratings

Mailbox Comments

Where is Spark (and Polymail) as alternatives?

Comment by pacorob

about Mailbox · Feb 2016 · Helpful Not helpful Report as spam

Spark and Polymail should definitely also be added to the list of alternatives for Mailbox.

My favorite is Spark and after that Airmail. Outlook is also ok but lacks a great search feature. You can only search in e-mail of 2 months old.

Mailbox

Apps for Mailbox

Links to official Mailbox sites

Features

Category

Tags

Alternatives to Mailbox for all platforms with any license

eM Client Sponsored

Thunderbird

K-9 Mail

Microsoft Office Outlook

eM Client

Spark

Apple Mail

Mailbird

Postbox

Know any more alternatives to Mailbox?

Claws Mail

Microsoft Mail and Calendar

Platforms

Desktop

License

Mailbox Comments

Where is Spark (and Polymail) as alternatives?