Afterlogic Webmail Alternatives

Web-based IMAP email client

Open Source

RainLoop is a web based email client.

Open Source

VoIPstudio is an award-winning VoIP system that offers businesses of all sizes a scalable communication solution. It’s inexpensive, easy-to-use, offers a full suite of PBX features, and is fully integrated for CRM.

Try for free paid Free Trial $4.99 / Monthly (User)

Starting with version 0.9.8, mu provides an emacs-based e-mail client which uses mu as its back-end: mu4e.

Zimbra is trusted by over 500 million users to increase productivity with a complete set of collaboration tools while maintaining total control over security and privacy.

SOGo is groupware server with a focus on scalability and open standards.

Open Source

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

Open Source

Designed for those who settle only for the best — CrossBox is beautiful, dazzlingly fast, and comes with advanced features that provide you and your team with cutting-edge communication technologies.

paid €6.3 / Monthly

Horde Groupware is a free, enterprise ready, browser based collaboration suite.

SquirrelMail is a standards-based webmail package written in PHP.

Open Source

Mailspring is a mail client for Mac, Windows and Linux.

Open Source

Thunderbird is a free email application that's easy to set up and customize - and it's loaded with great features!

Organize your world. Outlook’s email and calendar tools help you communicate, stay on top of what matters, and get things done.

Gmail is available across all your devices Android, iOS, and desktop devices. Sort, collaborate or call a friend without leaving your inbox.