Top 15 Zimbra Collaboration Suite Alternative and Similar Softwares | Dec 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. OX Open-Xchange

Open-Xchange Server 6 is the most advanced Linux based Groupware solution f.Open-Xchange Server 6 is superior in the following areas:• Open-Xchange Server 6 offers most comprehensive Groupwarefunctionality based on modern user interface technologies and includesemail, calendaring, contact management, intelligent document sharing,“smart linking” and much more.• The architecture is designed for...... TpSort Score | 19,100,000

4. 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

5. GroupSpaces

Free group website, membership database, listserv mailing list, payments and more - GroupSpaces is a market leader in online group management software, providing comprehensive, simple to use tools to help manage your group more quickly and efficiently. Easy-to-use, secure & time-saving. Used by 10 000s of membership groups. Try it...... TpSort Score | 28,500,000

6. 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

7. Qlubb

Qlubbs are the easiest way to communicate and share with other families in your childs classroom...... TpSort Score | 194,000,000

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. Kolab Now

Kolab Now, formerly MyKolab, is a fully featured secure collaboration and communication service that is easy to use on any device.Whether you are a legal counsel, journalist, diplomat or just a regular user: Kolab Now empowers your collaboration and communication, wherever you are.Thanks to a unique mix of usability and...... TpSort Score | 12,200,000

10. 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

11. Lotus Connections

IBM Lotus Connections is a proprietary Web 2.0 social software application licensed by the Lotus Software division of IBM. The goal of Lotus Connections is to empower companies to be more innovative and help them execute more quickly by using dynamic networks of co-workers, partners and customers....... TpSort Score | 13,000,000

12. NXTClass

NXTClass is a Web 2.0 lesson-centric learning management system built to bring the advantages of the web to your school and classes. We believe that NXTClass is the most elegant way to extend your teaching onto the web, bar none. Create online lessons with articles, images, audio, and video for...... TpSort Score | 185,000,000

13. TeamAssistant Groupware To-Do

TeamAssistant is a tool to immediately improve the management of the teamwork of your work teamAs it does?:1.- Remains permanently connected and informed all team members by using a messaging system between smartphone or tablets, transparent to the user and whether they are online or not.2.- Creates and organizes projects,...... TpSort Score | 12,400,000

14. Openki

Openki is an interactive web-platform with the ambition to facilitate a barrier-free access to education for everyone.The web-platform is a simple open-source tool for local, self-organized knowledge exchange: As the foundation for mediating non-commercial education opportunities, as the interface between people who embrace themselves for similar subjects and as an...... TpSort Score | 29,500,000

15. Wimi

Wimi is the ultimate productivity tool. It integrates all the essential applications to facilitate teamwork. Wimi saves time to managers and entrepreneurs working with teams and clients.Wimi includes many worthy functionnalities :- file sharing - multi-device and cloud synchronization for documents- fine access right management- task management- calendar sync and...... TpSort Score | 28,600,000