SeaMonkey The SeaMonkey project is a community effort to develop the SeaMonkey all-in-one internet application suite. A lighter alternative to... SeaMonkey is both a WEB BROWSER and EMAIL CLIENT. It's the successor of Mozilla Application Suite or Netscape Communicator, resp. Further it includes also a news client program, an HTML editor (SeaMonkey Composer) and an IRC client (ChatZilla). Guest • Nov 2017 • 8 agrees and 3 disagrees Disagree Agree It has all of Thunderbird's features and many more. apostolfaliagas • Feb 2018 • 3 agrees and 3 disagrees Disagree Agree Thunderbird is a mail application, SeaMonkey appears to be a web browser. Guest • Nov 2017 • 15 agrees and 60 disagrees Disagree Agree Free Open Source Mac Windows Linux BSD PortableApps.com WYSIWYG Support Built-in RSS reader Customizable Extensible by Plugins/Extensions ... Support for Firefox extensions Integrated Email Client Modular System Portable Privacy focused Add a feature 177 Like
Evolution 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 S/MIME GNOME OpenPGP CalDAV Calendar integration Built-in RSS reader CardDAV ... Encrypted email Integrated Spam Protection Multiple languages POP3 Support Add a feature 158 Like
Claws Mail Claws Mail is an email client (and news reader), based on GTK+, featuring Quick response Graceful, and sophisticated interface Easy configuration... It's a good, lightweight alternative, but the UI is clunky and it misses HTML message composing. You have been warned! 3psilon • Sep 2017 • 4 agrees and 2 disagrees Disagree Agree Much faster than thunderbird which cloaks on weak machines. Guest • Jan 2018 • 1 agrees and 0 disagrees Disagree Agree Small and quick and not flooded with choices! Guest • Jun 2016 • 4 agrees and 3 disagrees Disagree Agree No HTML compose is the only reason I don't switch to it. We're not in 1980 anymore. Guest • Sep 2018 • 3 agrees and 3 disagrees Disagree Agree 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 80 Like
Geary Geary is an email application built for GNOME 3. It allows you to read and send email with a simple, modern interface. Only IMAP. No support for local folders. Guest • Sep 2018 Disagree Agree Easy to set up. Thunderbird doesn't connect anymore with hotmail and yahoo. No address book. Guest • Jul 2017 • 0 agrees and 10 disagrees Disagree Agree Free Open Source Linux BSD GNOME Multiple Account support Add a feature 72 Like
Mailspring 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... Need to create an account on a third-party company to access your email. Guest • Sep 2018 • 9 agrees and 0 disagrees Disagree Agree Great alternative, especially for casual users. Simple, streamlined UI, feels fresh. 3psilon • May 2018 Disagree Agree Very simple, perfect IU and possibility to follow what happen to your emails. Guest • Feb 2018 • 0 agrees and 1 disagrees Disagree Agree nice interface (if you are talking about the feature, kcontact/kmail is the best, but this has a nice interface) peterbro • Feb 2018 • 0 agrees and 1 disagrees Disagree Agree Supports Linux and all IMAP providers, offers shortcut customization, extensible via plugins. bengotow • Nov 2017 • 0 agrees and 2 disagrees Disagree Agree Freemium $ $ $ Mac Windows Linux Arch Linux Fedora ... Ubuntu Multiple Account support Night mode/Dark Theme Email tracking Customizable ... Drag n drop Email Analytics Extensible by Plugins/Extensions Support for IMAP Support for Themes Threaded Conversations Unified inbox Add a feature 41 Like
Mutt 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 52 Like
Sylpheed 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 52 Like
Kontact - KMail 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 33 Like
Front Front is the first email management software for teams that integrates with the tools you already use. With Front, you can assign messages to teammates, write comments... Just started using it - a lot more modern than Thunderbird, the UI is much more intuitive. sluakkanen • Nov 2018 Disagree Agree Commercial $ $ $ Mac Windows Linux Web Android ... iPhone Android Tablet iPad Shared inbox Comment section Email tracking Real time collaboration Add a feature 18 Like
Trojitá 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 QT Based Add a feature 12 Like
Zimbra Desktop 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... This one goes beyond the features and qualities of Thunderbird which is the very reason I am looking for an alternative! Guest • Dec 2016 • 0 agrees and 1 disagrees Disagree Agree Free Personal Mac Windows Linux No features added Add a feature 29 Like
Pantheon Mail Pantheon Mail is a free open source email client forked by the elementary OS community from Geary... Free Open Source Linux elementary OS Multiple Account support Add a feature 8 Like
Kube Kube is a modern communication and collaboration client built with QtQuick on top of a high performance, low resource usage core. It provides online and offline access... Free Open Source Linux No features added Add a feature 3 Like
Hiri Fast, good looking email client. Lighter than MS Outlook with some unique and clever features. Works ONLY with Outlook / Exchange. Commercial $ $ $ Mac Windows Linux Calendar integration Office 365 integration Convert Email to Task Add a feature 25 Like
Nylas Mail Lives Nylas Mail Lives is a fork of Nylas Mail that fixes many longstanding issues, improves the client experience, and is committed to... Discontinued On its github page it states it is archived and is no longer maintained. Free Open Source Mac Windows Linux Self-Hosted Extensible by Plugins/Extensions Multiple Account support Add a feature 3 Like
