Sovereign Collaboration Platform

The Sovereign Collaboration Platform is a self-hosted alternative to public-cloud office suites — file sharing, real-time document editing, shared calendars, contacts, task management — running on your own infrastructure, with your data staying inside your perimeter. In active production.

  flowchart LR
    A[Internal users] --> B[Files · Docs · Calendar]
    B --> C[(Encrypted storage)]
    B --> D[Permission / share link]
    D --> E[External: read-only]
    D --> F[Federated partner org]
    B -.->|open standards| G[WebDAV · CalDAV · CardDAV]

What this is about

Most organizations end up using a patchwork of public-cloud services for the basics: a file-storage service for files, an office suite for documents, a calendar service for scheduling, a contact directory somewhere, a chat tool. Each is hosted by a different vendor, each has its own privacy posture, each costs per-seat per-month, and each has access to the content that passes through it.

The Sovereign Collaboration Platform consolidates these core functions into one self-hosted system under your own control. Same modern user experience your team expects — drag and drop files in a browser, edit a spreadsheet together, share a calendar with the whole team, sync contacts to phones — but the data lives on your servers.

Operational features

• 📁 File sharing. Modern file storage with versioning, trash, granular permissions, password-protected and time-limited share links, share-to-external-email flows.
• 📝 Real-time document collaboration. Spreadsheets, text documents, presentations — edited collaboratively in the browser. Same multi-cursor experience as the popular cloud-office tools.
• 📅 Calendar and scheduling. Shared calendars, room booking, free/busy lookups, CalDAV sync to phones and desktop clients.
• 📞 Contact directory. Shared address book, CardDAV sync, integration with your existing identity provider.
• ✅ Task and project management. Boards, lists, assignment, due dates. Integrates with calendar and files.
• 🔐 Granular permissions. Per-folder, per-file, per-group permissions. Audit trail on access. No accidental “shared with the entire company” disasters.
• 🤝 Federation. Securely share folders with people at other organizations running the same platform — without giving them an account on your system.
• 📱 Mobile apps. First-class iOS and Android clients — not a degraded web view.
• 🔄 Offline-first desktop sync. Files available without network; sync resumes when connectivity returns.

Typical use cases

• 🏢 Replace your public-cloud office suite — get out of per-seat per-month licensing without losing the collaboration experience.
• 🤝 Partner / client workspaces — share project files with external parties via federation rather than emailing zip files or granting accounts on your system.
• 📋 Regulated industries — finance, healthcare, defense supply chain — where data residency rules forbid storing business documents in public clouds.
• 🌍 Geo-distributed teams — offline-first sync makes the platform usable from anywhere, including high-latency or flaky-network locations.
• 🔑 Sensitive document handling — board minutes, legal documents, M&A material kept inside the perimeter with full audit trail.

Why this is a CEO-level topic

• 💰 Cost structure. Public-cloud office suites charge per seat per month — costs grow linearly with headcount, often invisibly. A self-hosted platform is a fixed infrastructure cost, decoupled from headcount.
• 🛡️ Data sovereignty. Your business documents, your calendar, your contact list — they reveal the structure of your organization and your relationships. Keeping them under your own control is a strategic decision.
• 📋 Compliance fit. GDPR Art. 28 (processor) obligations disappear when the data never leaves your infrastructure. Audits are simpler. Data-residency rules in regulated sectors are met by definition.
• 🔓 No lock-in. Standard protocols (WebDAV, CalDAV, CardDAV) mean data can move out at any time. No proprietary format trapping you in.
• ⏱️ Continuity. No risk of vendor outage, vendor pricing change, vendor strategic pivot, or vendor acquiring a competitor. The system runs as long as you run it.
• 🔗 Integration. Connects to your existing identity provider (LDAP, SAML, OIDC), your existing email, your existing intrusion-detection. Not a separate silo.

Technology foundation

Built on a mature open-source collaboration stack with millions of installed seats and a stable, conservative release cadence.

Reach out and we will scope a deployment for your team size, compliance requirements, and existing identity infrastructure.