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
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
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
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 Asana integration Sync Contacts Conversation view Dropbox integration Facebook integration Fast & easy setup ... GSuite Integration Multiple Account support Slack integration Trello integration Twitter integration 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
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
48 Like Sylpheed Good alternative? YES NO Sylpheed is a simple, lightweight but featureful, and easy-to-use e-mail client (mailer, MUA). Sylpheed runs on many systems such as Windows, Linux, BSD, Mac OS X and... Free Open Source Mac Windows Linux BSD PortableApps.com Lightweight Add a feature
54 Like Inky Good alternative? YES NO Inky is a secure email platform that makes end-to-end encrypted email simple and painless. Commercial Mac Windows Android iPhone Android Tablet iPad No features added Add a feature
47 Like The Bat Good alternative? YES NO The Bat! is a secure email client software, built to protect your correspondence against third-parties. . Commercial Windows Built-in RSS reader Support for IMAP POP3 Support Add a feature
14 Like Microsoft Mail and Calendar Alternative? YES NO 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 RT Bundled with Windows Add a feature
30 Like Zimbra Desktop Good alternative? YES NO The free Zimbra Desktop client allows you to meld the online and offline worlds – storing and synching your email, calendar, contacts, files and documents in the cloud... Free Personal Mac Windows Linux No features added Add a feature
24 Like Kontact - KMail Good alternative? YES NO KMail is the email component of Kontact, the integrated personal information manager of KDE. Kontact is a personal information manager and groupware software suite for... Free Open Source Mac Windows Linux BSD No features added Add a feature
7 Like Kiwi for Gmail Good alternative? YES NO Dedicated Gmail client with clean integration of Google Calendar, Contacts, Google Drive, and Google Docs, Sheets, and Slides. Freemium Mac Windows GSuite Integration Multiple Account support Add a feature
19 Like Kontact Good alternative? YES NO Kontact is the integrated Personal Information Manager of KDE. Kontact suite unites mature and proven KDE PIM applications under one roof. Thanks to the powerful... Free Open Source Windows Linux No features added Add a feature
5 Like Mulberry Good alternative? YES NO Mulberry is a powerful, easy to use electronic mail (email) and calendar program that allows you to send, access, and manage email and calendars. Mulberry also helps you... Free Open Source Mac Windows Linux CalDAV POP3 Support Add a feature Discontinued The project is no longer developed. Last version, 4.0.8, released in February 2007, can be still downloaded from the official website.
