eXo Platform Alternatives for Windows

Slack is a cloud-based team collaboration tool.

Glip is fully searchable, real-time group chat; video chat, task management, file sharing app.

Bitrix24 is a free (for small businesses) social enterprise platform.

lfresco Community Edition is an open source enterprise content management system.

HumHub is a free social network software and framework built to give you the tools to make teamwork easy and successful.

Sohodox is the simplest document management system for small businesses.

LogicalDOC is a free document management system that is designed to handle and share documents within an organization.

TribeScale is an All-in-One platform to coordinate your team around what really matters - communication, goals, decisions, tasks and results.

Portofino is a web application framework for Java and Groovy developers. Its purpose is to help developers create outstanding enterprise applications.

Microsoft SharePoint is a browser-based collaboration and document management platform.

Dialog Messenger is a handy and feature-rich enterprise multi-device messenger available for server or cloud.