Top 15 Microsoft Office 365 Alternative and Similar Softwares | Apr 2024

1. 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

2. 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

3. 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.Choose full-featured Kerio Connect Cloud email or manage your own Kerio Connect Server in-house. Either way, you...... TpSort Score | 192,000

4. Stackfield

Stackfield's unique cloud platform combines e-mail, instant messaging, project management and many other useful applications of everyday life. Whether thread-based chats, fast and secure data exchange with colleagues or the dynamic editing of complex projects, Stackfield enables the user to easily and intuitively create an individual and self-contained Stack for...... TpSort Score | 28,400,000

5. Atmail Email Server

Atmail webmail system offers a webmail client, email server platform and mailserver appliance for Linux, Unix and Windows.Features:WebmailCalendarAddressbookIMAP, POP or Exchange WebSyncSMTP/POP3/IMAP serverExplore the WebAdmin featuresVersions for Linux, VMware, PleskEasy install scripts for popular distributionsAtmail focuses on improving the usability of email and designing high-performance system for SMB/ISP use....... TpSort Score | 40,800,000

6. Hubgets

Communication flows, experience stays. We take care of communication so you can focus on results. Hubgets instantly makes your team more collaborative and eliminates chaos in internal collaboration.Hubgets gets every team member where important stuff happens, in no time. It brings together secure and private chat, voice and video. Also,...... TpSort Score | 28,400,000

7. Centrify

Centrify provides Unified Identity Services across data center, cloud and mobile — resulting in one single login for users and one unified identity infrastructure for IT. Centrify's software and cloud services let organizations securely leverage their existing identity infrastructure to centrally manage authentication, access control, privilege management, policy enforcement and...... TpSort Score | 117,000

8. eXo Platform

eXo Platform is a cloud-ready enterprise portal and user experience platform-as-a-service (UXPaaS) for building and deploying transactional websites, managing web and social content and creating gadgets and dashboards. Built on open standards and open source technologies, eXo Platform has the features and extensibility of a UXP and the cloud architecture...... TpSort Score | 1,390,000

9. 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

10. Qortex

Qortex is a web-based next-generation platform for collaboration and knowledge-building within your group or company.Special features are: use chat with your client, save into Qortex and share it there. Convert chats to posts to wiki entries for knowledge building. Share groups/folders with other companies/organizations. Full WYSIWYG editor for writing, or...... TpSort Score | 28,500,000

11. IntelliEnterprise

IntelliEnterprise is the most complete Intranet Software Suite for managing content and processes.It lets organizations manage and efficiently distribute relevant content, offers integrated security, customizable applications and workflows for process automation, extensive social tools to connect employees across departmental boundaries; and ties everything into an enterprise-wide search that makes finding...... TpSort Score | 28,500,000

12. Whaller

1. COMMUNICATE simplyCreate a sphere, invite your contacts, and start a discussion within minutes. Whaller spheres are your spaces for private conversation, each one sealed off from the others.Add your exchanges about documents, links, videos, surveys, events, etc.Public or private messages, chat, video conferences : enrich your means of dialogue.2....... TpSort Score | 171,000

13. 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

14. 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

15. 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