Nextcloud

Nextcloud Hub is the industry-leading, fully open-source, on-premises team productivity platform and Germany's number one collaboration solution. It combines the easy user interface of consumer-grade cloud solutions with the security and compliance measures enterprises need. Nextcloud Hub brings together universal access to data through mobile, desktop and web interfaces with next-generation, on-premise secure communication and collaboration features like real-time document editing, chat and video calls, putting them under the direct control of IT and integrated with existing infrastructure. Nextcloud's easy and quick deployment, open, modular architecture and emphasis on security and advanced federation capabilities enable modern enterprises to leverage their existing file storage assets within and across the borders of their organization.