Virtual Office, Online Office, Digital Learning Space, Online Groupware - ContactOffice, Keep a virtual office on the web. Share documents, contacts, calendar, tasks, ... with clients, students, suppliers, friends or family.
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Zimbra Collaboration Suite Alternatives
Zimbra Collaboration Suite is described as 'Zimbra Collaboration is an open, secure collaboration tool for email, calendaring, tasks and more. With the most innovative web application available today, Zimbra boosts the productivity of users on any desktop and dramatically reduces TCO compared to legacy platform vendors' and is a Mail Server in the office & productivity category. There are more than 25 alternatives to Zimbra Collaboration Suite for a variety of platforms, including Web-based, Linux, Self-Hosted, Windows and Mac apps. The best Zimbra Collaboration Suite alternative is Microsoft 365 Copilot, which is free. Other great apps like Zimbra Collaboration Suite are Google Workspace, Roundcube, Nextcloud Hub and mailcow: dockerized.
Alternatives list
NexMail is an open-source, modern webmail client designed for self-hosted email servers. Enjoy a clean, intuitive interface with powerful features for managing your emails efficiently.
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Atmail webmail system offers a webmail client, email server platform and mailserver appliance for Linux, Unix and Windows.
OBM is a free messaging and collaboration platform useful for just a couple to many thousands of users with strong support for mobile devices.
Cost / License
- Free
- Open Source
Application types
Alerts
- Discontinued
Platforms
- Linux
19 Poste.io alternativesFull featured solution for your Email server. Native implementation of last anti-SPAM metods, webmail and easy administration included.
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Gridie is an AI-powered spreadsheet automation tool for Excel and Google Sheets that focuses on reusable workflows instead of one-off AI answers.
Cost / License
- Freemium
- Proprietary
Platforms
- Software as a Service (SaaS)
James stands for Java Apache Mail Enterprise Server! It has a modular architecture based on a rich set of modern and efficient components which provides at the end complete, stable, secure and extendable Mail Servers running on the JVM.
23 EGroupware alternativesWeb-based team collaboration suite combining email client, calendar, contact and task tools, CRM, project and file management, file sharing, trouble tickets, Rocket.Chat chat, and Collabora online editing. Offers open source, self-hosted, and SaaS options.
Cost / License
- Freemium
- Open Source (GPL-2.0)
Application types
Platforms
- Linux
- Online
- Self-Hosted
- Software as a Service (SaaS)
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Postaci (Turkish for Postman) is multiplatform Webmail software which is database independent, multilanguage, POP3/IMAP, and fully MIME-compatible. While using POP3 mode to fetch messages it uses database fields to simulate IMAP folders, on which you can save, move, delete, and...
Fast, safe, heavy mail solution. Web-client access, LAN or WAN self-hosted server, maintenance-free design. No Windows server and database server required, unlimited mail accounts, storage, attachment size, custom logo. Free for commercial use.
Cost / License
- Paid
- Proprietary
Application types
Platforms
- Windows
- Self-Hosted
OpenChange aims to provide a portable Open Source implementation of Microsoft Exchange Server and Exchange protocols.
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