1664 Like Thunderbird Good alternative? YES NO 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 Built-in RSS reader Calendar integration Customizable Extensible by Plugins/Extensions Free API Import from Google Reader ... Integrated Chat Integrated Web Browser Multiple Account support Export to OPML Import feeds from OPML POP3 Support Tabbed interface Add a feature
210 Like Inbox by Gmail Good alternative? YES NO Built on everything that we've learned from Gmail, Inbox is a fresh start that goes beyond email to help you get back to what matters. Bundles, because some... Free Web Android iPhone Chrome OS iPad Chrome Sync with Google Calendar Add a feature
291 Like Microsoft Office Outlook Alternative? YES NO 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 Built-in Calendar Signature with image Add a feature
154 Like K-9 Mail Good alternative? YES NO 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... Free Open Source Android Android Tablet Ad-free Multiple Account support PGP Encryption Privacy focused Add a feature
133 Like Roundcube Good alternative? YES NO Roundcube webmail is a browser-based multilingual IMAP client with an application-like user interface. It provides full functionality you expect from an e-mail client... Free Open Source Self-Hosted PHP Cloudron Hostable PGP Encryption Add a feature
142 Like Evolution Good alternative? YES NO Evolution is the official personal information manager and workgroup information management tool for GNOME. It combines e-mail, calendar, address book, and task list... Free Open Source Linux BSD GNOME Built-in RSS reader CalDAV Calendar integration CardDAV Encrypted email Integrated Spam Protection ... Multiple languages POP3 Support Add a feature
165 Like eM Client Good alternative? YES NO 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 Windows Automatic Backup Built-in translation Calendar integration Conversation view Email preview Encrypted email ... Support for IMAP Imports email from Live mail POP3 Support Add a feature
197 Like Apple Mail Good alternative? YES NO 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 Add a feature
260 Like Mailbird Good alternative? YES NO 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... Freemium $ $ $ Windows Conversation view Fast & easy setup GSuite Integration Multiple Account support Unified inbox Add a feature
126 Like Postbox Good alternative? YES NO 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 Box.com integration Built-in RSS reader Dropbox integration Extensible by Plugins/Extensions Support for IMAP Multiple languages ... Multiple Account support Onedrive integration POP3 Support Tabbed interface Add a feature
65 Like Geary Good alternative? YES NO Geary is an email application built for GNOME 3. It allows you to read and send email with a simple, modern interface. Free Open Source Linux BSD GNOME No features added Add a feature
39 Like Spark Good alternative? YES NO 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. Free Mac iPhone iPad Apple Watch Calendar integration Export to PDF Add a feature
70 Like Claws Mail Good alternative? YES NO 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 Xfce Built-in RSS reader Content Filtering Extensible by Plugins/Extensions Support for IMAP Lightweight Multiple languages ... Multiple Account support Add a feature
57 Like EssentialPIM Good alternative? YES NO EssentialPIM lets you manage appointments, tasks, notes, contacts, password entries and email messages across multiple devices and cloud applications. PIM stands for... Freemium Windows Android iPhone No features added Add a feature
47 Like Mutt Good alternative? YES NO Mutt is a small but very powerful text-based mail client for Unix operating systems. Some of its features are: color support, message threading, MIME support (including... Free Open Source Mac Windows Linux Xfce Command line interface Support for IMAP POP3 Support S/MIME support Add a feature
