1665 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
59 Like Nylas Mail Good alternative? YES NO Nylas Mail is an email client designed to be friendly and easy to use but also powerful and highly extensible. It works "out of the box" with all the major... Freemium Mac Linux Web Self-Hosted Cloud sync Extensible by Plugins/Extensions Sync with Google Calendar Office 365 integration 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
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
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
21 Like Icedove Good alternative? YES NO Icedove is the Thunderbird email client rebranded by Debian . Free Open Source Linux Xfce Built-in RSS reader Extensible by Plugins/Extensions Integrated Chat Export to OPML Import feeds from OPML Tabbed interface Add a feature
10 Like Trojitá Good alternative? YES NO Trojitá, is a fast Qt IMAP e-mail client that respects open standards and facilitates modern technologies. Trojitá values vendor-neutrality that IMAP provides... Free Open Source Windows Linux IMAP debugging Support for IMAP 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
6 Like Pantheon Mail Good alternative? YES NO Pantheon Mail is a free open source email client forked by the elementary OS community from Geary... Free Open Source Linux elementary OS No features added Add a feature
10 Like sup Good alternative? YES NO Sup is a console-based email client for people with a lot of email. It supports tagging, very fast full-text search, automatic contact- list management, custom code... Free Open Source Linux Command line interface Console-based Multiple Account support Add a feature
10 Like Alpine Good alternative? YES NO Alpine is a fast, easy to use email client that is suitable for both the inexperienced email user as well as for the most demanding of power users. Alpine is based on... Free Open Source Mac Windows Linux Command line interface 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.
5 Like Simple Mail Good alternative? YES NO Simple Mail is a mail client for Firefox. It allows you to get notified, read and write messages for multiple email accounts inside Firefox. Usage: Configure one or... Free Mac Windows Linux Firefox No features added Add a feature
