
Regain control over your data
Nextcloud is the most popular open-source, self-hosted content collaboration platform used by tens of millions of users worldwide. It provides file sync and share, video conferencing, groupware, and office productivity tools while keeping all data under the organization's own control, serving as a privacy-focused alternative to Microsoft 365 and Google Workspace.
Self-hosted file storage with desktop and mobile sync clients, real-time collaboration, and granular sharing controls
On-premises audio/video conferencing, screen sharing, and persistent text chat with SIP bridge integration
Integrated calendar, contacts, mail client, and team planning tools for daily productivity
LibreOffice-based online document editing with real-time co-authoring of documents, spreadsheets, and presentations
Local AI capabilities for content generation, text summarization, image generation, and data analysis without third-party data sharing
Business process automation with workflow rules, approval processes, and event-driven actions
HIPAA and GDPR compliance support with end-to-end encryption, audit logging, and fine-grained access controls
Replace Dropbox, Google Drive, or SharePoint to keep sensitive documents on your own infrastructure while enabling team collaboration
Use Nextcloud Talk and Groupware as a privacy-compliant alternative to Microsoft Teams or Zoom within your jurisdiction
Deploy for HIPAA-compliant file sharing ensuring patient data never leaves your controlled environment
Provide students and faculty with file storage, shared calendars, and collaborative editing without commercial cloud providers
Best overall self-hosted file platform for developer teams — the most feature-complete Dropbox/Google Drive replacement with zero licensing cost and full data ownership
Best for organizations that need full data sovereignty without sacrificing collaboration features — the only option on this list where you truly own and control every byte of your team's content.
Integrations with Microsoft Outlook, Teams, Exchange, Slack, Miro, GitHub, GitLab, and Jira
Extensible via hundreds of community and enterprise apps available through the built-in app store
Deploy as a sovereign cloud solution meeting data residency requirements and reducing dependency on foreign cloud vendors

Free, open-source code editor from Microsoft