Top 15 OX Open-Xchange Alternative and Similar Softwares | Apr 2024

1. OBM

OBM is a free messaging and collaboration platform useful for just a couple to many thousands of users with strong support for mobile devices....... TpSort Score | 14,300,000

2. Zarafa

Open Source Collaboration, providing integration with your existing Linux mailserver, native mobile phone support, Outlook "Look & Feel" webaccess and stable Outlook sharing (100% MAPI)....... TpSort Score | 155,000

3. Axigen

Axigen is an integrated email, calendaring & collaboration platform, built on a unique Linux mail server technology, for increased speed & security....... TpSort Score | 3,020,000

4. Microsoft Office 365

Office 365 is a subscription-based software services that licenses Microsoft Office products for on-premise or cloud-based use.For consumers, the service allows the use of Microsoft Office Suite apps on Windows and OS X, provides storage space on Microsoft OneDrive cloud storage service, and grants 60...... TpSort Score | 3,820,000

5. Citadel

Is a collaboration suite (messaging and groupware). It is designed to run on open source operating systems such as Linux or BSD. In order to modernize the Citadel platform for the Internet, the Citadel/UX developers added functionality such as shared calendars, instant messaging, and built-in implementations of Internet protocols such...... TpSort Score | 971,000

6. 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.Other key advantages include advanced compatibility with existing desktop email clients,...... TpSort Score | 60,700

7. ownCloud

ownCloud gives you web services under your control. It is a self-hosted open source platform with file sync and sharing at its core and available clients for desktop and mobile. The web frontend has apps for Pictures, Calendar, Contacts, News/RSS, Bookmarks, Notes, Music and much more via an open app...... TpSort Score | 2,680,000

8. Kablink

Kablink is the first Enterprise suite for team collaboration built on an Open Source project to unify team workspaces with real-time conferencing, while encouraging rapid user adoption through social networking software....... TpSort Score | 28,500,000

9. phlyMail

phlyMail is an advanced webmail and groupware solution featuring unlimited profiles, multiple users, a calendar, contacts list and much more...... TpSort Score | 186,000,000

10. qube-os

qube-os is a Cloud Computing Operating System.it completely web based.for users qube-os is a free online computer accessible from any device and any browsers.offers 3GB free WebDAV online storage, file sharing, office, calendar, contacts, email client and much more.a virtual computer on the Internet by creating a network with all...... TpSort Score | 28,500,000

11. Cerb

Cerb6 is a fast and flexible web-based platform for business collaboration and automation. Remember anything about anyone, collaborate from anywhere, deftly reply to a flood of email, automate, stay informed, capture feedback, track time, flag opportunities, manage tasks, share expert knowledge, and otherwise execute efficiently....... TpSort Score | 28,500,000

12. FastMail

FastMail provides one of the most secure and reliable email environments in the industry. Rock Solid Reliability. More safety. - Secure Email using WebMail, IMAP, POP and SMTP- Secure DAV file access, FTP- LDAP access to Address Book- XMPP Jabber support for Instant MessagingThousands of individuals and companies have chosen...... TpSort Score | 3,850,000

13. 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.The Kolab Groupware community has been around for well over a decade, and is a vibrant mixture of people...... TpSort Score | 49,100,000

14. OwnCube

OwnCube is an OwnCloud provider. OwnCube offers a FREE and a Premium Service, where all your photos, videos, documents, music, projects are always available and can be shared with anyone at any time. Not only are your files accessible and easy-to-handle on OwnCube, but you can also administrate, renew, upload...... TpSort Score | 28,500,000

15. Memotoo

With Memotoo, sync all you want !Sync and share your personal datas (bookmarks, address book, calendar, files, ...) with Memotoo.com to find them from any computer connected to Internet. - Dont lose your data: if you lose or change your mobile phone, ...- Access your data online anywhere and anytime-...... TpSort Score | 28,500,000