Zimbra is the trusted email and collaboration platform and productivity suite that includes contacts, calendar, tasks, chat and file sharing, plus videoconferencing, document editing, and file storage. Built on an open source core, it features a modern interface, pre-integrations with popular third-party apps like Zoom, Slack and Dropbox, and can be deployed in the cloud or in on-prem and hybrid environments. Enterprises, governments, financial institutions, service providers and remote teams around the world rely on Zimbra to support complex privacy, data sovereignty and security requirements. Today, Zimbra powers hundreds of millions of mailboxes on desktop and mobile devices in more than 140 countries, and is offered by more than 500 BSPs and 2,000 channel partners. Also available now for small and medium-sized business is Zimbra Cloud, starting at $2.95 per month for 30 GB of storage. Visit www.zimbra.com to learn more and begin a free trial.
LSG Advocator System - Ready to meet the only legal billing software you will ever need? LSG is a global leader in the provision of Enterprise Legal IT Solutions, legal applications software and more. Request a demo today!
iRedMail - A fully fledged, free email server solution, an open source project (GPL v2).
Walkaround - Walkaround is a variant of Wave, based on the Apache Wave code base, that runs on App Engine.
Roundcube - Web-based IMAP email client
Legal Gateway - Empower your Legal Function to deliver more for less with the world's most advanced Legal Automation Platform.
mailcow - An open source mailserver suite.