Thunderbird Alternatives [Page 4]

Amazon WorkMail is a secure, managed business email and calendar service.

Gaggle Mail is a simple and easy to use email list manager.

The #1 email warming service to improve your deliverability by generating realistic and meaningful engagement to your emails. Easy-to-use solution to help you land in the main inbox instead of the spam folder.

Visit website paid $19.5 / Monthly (Pro)

Dedicated Gmail client with clean integration of Google Calendar, Contacts, Google Drive, and...

Mail-in-a-Box provides webmail and an IMAP/SMTP server for use with mobile devices and desktop mail software and also includes contacts and calendar synchronization.

Open Source

Foxmail is a free POP3 and IMAP4 e-mail client in English and Chinese for Windows systems.

Hiri is the best email client for Managers on Windows, Mac and Linux.

Yandex.Mail is a free email service that is also one of the most popular mail services in Russia.

Unibox is an application that aims to completely overhaul your email experience. Unibox resorts your email so that you can group the messages you receive by their sender. Read more about Unibox.

The SeaMonkey project is a community effort to develop the SeaMonkey all-in-one internet...

Mailpile is a modern, fast web-mail client with user-friendly encryption and privacy features.

Open Source

Email lives forever!. Reinvigorate your emailing experience with the best free email client, the Mailtrim

free

EssentialPIM is a free Personal Information Manager that keeps up with the times and lets you manage appointments, tasks, notes, contacts, password entries and email messages across multiple devices and cloud applications.

paid Free Trial $39.95 / One-off

RainLoop is a web based email client.

Open Source