G Suite!

G Suite alternatives

  • Kolab Community

  • Kolab is entirely Free and Open Source Software (a.k.a. FOSS), and uses Open Standards. We’ll get to why this is important to us, and hope that it is important to you thereafter.

    tags: activesync caldav carddav groupware imap
  • Samepage

  • With Samepage, you can put all your project information on one page and collaborate with your team in real time. Samepage brings together an entire suite of project management tools, awesome communication features, and built-in integration with the apps you use. Everything you need to move projects forward, without leaving Samepage.

    tags: collaborative-writing content-creation content-templates file-sharing file-synchronization
  • Kolab Now

  • Kolab Now, formerly MyKolab, is a fully featured secure collaboration and communication service that is easy to use on any device.

    tags: address-book caldav calendar carddav cloud-computing
  • Zimbra Collaboration Suite

  • 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.

    tags: calendar groupware mail-server
  • IceWarp

  • At the core of IceWarp's messaging platform is a scalable and robust SMTP/IMAP/POP3 server capable of handling 1000's of messages per minute in multiple outgoing queues. All services are secured with SSL/TLS encryption, supporting deployment of any kind, from mail relays, integration to websites, up to load-balanced platforms and geographically dispersed architectures.

    tags: document-collaboration document-sharing email-client file-synchronization group-chat
  • Kopano

  • Kopano puts an email, video meetings, calendaring, and file sharing solution within one single interface.

    tags: archiving caldav cloud-hosting email-client email-management
  • Microsoft Exchange Server

  • Microsoft Exchange Server is a messaging and collaborative software product developed by Microsoft. It is part of the Microsoft Servers line of server products and is widely used by enterprises using Microsoft infrastructure solutions. Exchanges major features consist of electronic mail, calendaring, contacts and tasks; support for mobile and web-based access to information; and support for data storage.

    tags: chat-servers mail-server
  • MDaemon Messaging Server

  • MDaemon Messaging Server software for Windows can be deployed in virtual, hosted cloud or private on-premise environments. It is used by businesses in over 90 countries and over 25 languages worldwide.

    tags: dropbox-integration email-encryption email-hosting encrypted-email group-chat
  • Kerio Connect

  • Kerio Connect makes email, calendars, contacts and task management easy and affordable. With Kerio Connect, you have immediate, secure access to your communications anytime, anywhere, on any device - without complexity or expensive overhead.

    tags: antivirus backup-and-restore chat-servers contact-sync imap-transfers
  • Atmail Email Server

  • Atmail webmail system offers a webmail client, email server platform and mailserver appliance for Linux, Unix and Windows.

    tags: address-book business-email email-client email-sending exchange-calendar-sync
  • Linchpin

  • Linchpin combines employee and team needs with the goals of management in a modern, flexible social intranet solution.

    tags: clear-interface content-templates customizable extensible integrated-search
  • Axigen

  • Axigen is a premium, all-in-one email, calendaring and collaboration platform, based on an innovative, proprietary technology, providing unmatched manageability for system administrators. Integrating all modules in a robust messaging solution, Axigen is developed for demanding users, from small businesses to large service providers.

    tags: api caldav calendaring carddav delegated-administration