Nextcloud
From Realm Business Systems Ltd
Nextcloud is a suite of client-server software for creating private file hosting services, and using them.
- Nextcloud is the most deployed alternative to Office365.
Nextcloud offers the most comprehensive, deeply integrated on-premises collaboration platform on the market, replacing dozens of other tools.
- Secure file exchange within and between organizations
- Collaborative editing of docx, xlsx and more
- File versioning, restore and retention control
- Commenting on files, adding notes to share links
- Integrated chat and secure audio-video calls
- Calendar, mail and task management tools
- Comprehensive set of security capabilities
- Self hosted on private servers
- A single, integrated platform
- Integration in infrastructure
- Security and encryption
- 100% open source
Nextcloud is free and open source – there are no limitations and you can inspect, integrate, extend and modify however you want.