Mycelium Nextcloud
Sovereign Cloud Storage & Collaboration for Organizations
Mycelium Nextcloud is a fully self-hosted, end-to-end encrypted file storage and collaboration platform that runs on your SuperBrain Edge cluster or private server. It replaces Google Drive, OneDrive, and Dropbox with a system where you own your data, control access, and answer to no one.
All communication flows through the Mycelium Network, ensuring that files, metadata, and user activity remain encrypted and under your exclusive control.
Why Mycelium Nextcloud?
| Feature | Mycelium Nextcloud | Google Drive | Microsoft 365 | Dropbox |
|---|---|---|---|---|
| Server Location | Your cluster | Google's servers | Microsoft's cloud | Dropbox's cloud |
| Data Ownership | You (100%) | Google owns your data | Microsoft owns your data | Dropbox owns your data |
| End-to-End Encryption | ✅ All files | ❌ Limited | ❌ Limited | ❌ Limited |
| Compliance Control | GDPR • HIPAA • SOC2 | Limited | Limited | Limited |
| User Management | Automated via Cockpit | Centralized | Centralized | Centralized |
| Offline Access | Full (via Mycelium sync) | Limited | Limited | Limited |
| Custom Branding | Full white-label | None | Limited | None |
| Audit Trail | Complete transparency | Limited | Limited | Limited |
| Cost Predictability | Fixed hardware OPEX | Usage-based | Subscription | Subscription |
| File Versioning | Unlimited | Limited | Limited | Limited |
Core Benefits
✅ Complete Data Sovereignty
- Runs entirely on your SuperBrain Edge cluster or private infrastructure
- All files, metadata, and activity logs remain under your control
- GDPR, HIPAA, and national data-residency rules fully respected
- Zero dependency on US or foreign cloud providers
✅ End-to-End Encryption
- Every file encrypted before leaving your device
- Server stores only encrypted data; never sees plaintext
- Encryption keys controlled by users—not by administrators
- Quantum-safe encryption roadmap in place
✅ Seamless Integration
- Works with standard tools: Finder (macOS), File Explorer (Windows), Nautilus (Linux)
- Native mobile apps for iOS and Android
- Web interface accessible from any browser
- All clients sync automatically and securely
✅ Collaborative & Productive
- Real-time document editing (compatible with LibreOffice, OnlyOffice)
- Granular file permissions and sharing controls
- Comments, version history, and activity tracking
- Automated backups with full recoverability
✅ Built on Mycelium Foundation
- All communication flows through encrypted Mycelium Network
- Works offline; syncs when reconnected
- Automatic failover to backup nodes
- Censorship-resistant—no third-party blocking
✅ Frictionless User Management
- Mycelium Cockpit auto-provisions users and devices
- No complex password policies or token management
- Teams and departments organized with role-based access
- One-click invitations for external collaborators
What's Included?
| Component | Purpose |
|---|---|
| Nextcloud Server | Core storage and collaboration engine (runs on your cluster) |
| Desktop Sync Client | Windows, macOS, Linux—automatic file synchronization |
| Mobile Apps | Native iOS and Android with offline access |
| Web Interface | Browser-based file management and sharing |
| Mycelium Integration | All traffic encrypted via Mycelium Network |
| Mycelium Cockpit | User provisioning, permissions, and audit management |
| Document Editor | OnlyOffice integration for Office-compatible editing |
| Full-Text Search | Instant semantic search across all files |
| Versioning & Recovery | Unlimited file history with point-in-time restore |
| Backup & Redundancy | Automatic encrypted backups across cluster nodes |
Architecture
┌──────────────────────────────────────────────────────┐
│ USERS (Desktop • Mobile • Web) │
│ (Files encrypted on device before upload) │
└──────────────────┬───────────────────────────────────┘
│ Encrypted tunnel
▼
┌──────────────────────────────────────────────────────┐
│ MYCELIUM NETWORK LAYER │
│ (End-to-end encryption, shortest-path routing) │
└──────────────────┬───────────────────────────────────┘
│
▼
┌──────────────────────────────────────────────────────┐
│ NEXTCLOUD SERVER │
│ (Runs on SuperBrain Edge cluster) │
│ │
│ ├─ User Directory & Authentication │
│ ├─ File Storage (encrypted at rest) │
│ ├─ Permissions & Sharing Control │
│ ├─ Document Editing (OnlyOffice) │
│ ├─ Full-Text Search Index │
│ └─ Activity & Audit Logs │
└─────── ───────────┬───────────────────────────────────┘
│
▼
┌──────────────────────────────────────────────────────┐
│ DISTRIBUTED STORAGE (Quantum-Safe QSFS) │
│ ├─ Redundant node storage │
│ ├─ Optional cross-cluster mirroring │
│ └─ Immutable versioning │
└──────────────────────────────────────────────────────┘
┌──────────────────────────────────────────────────────┐
│ MYCELIUM COCKPIT (Admin Dashboard) │
│ ├─ User provisioning & team management │
│ ├─ Permission policies & sharing rules │
│ ├─ Quota management and storage monitoring │
│ ├─ Audit logs & compliance reporting │
│ └─ Backups & disaster recovery │
└──────────────────────────────────────────────────────┘
Use Cases
Legal Offices
- Secure document management with version control
- Client files protected by attorney-client privilege
- Granular permissions for case teams
- Immutable audit trail for regulatory compliance
Medical & Healthcare
- HIPAA-compliant patient records and imaging
- Secure patient consent forms and documentation
- Multi-clinic collaboration without third-party exposure
- Automatic compliance backups and retention policies
Financial Services
- PCI-DSS ready document storage
- Client financial records with role-based access
- Regulatory-grade audit trails for all downloads and sharing
- Secure document templates and standardized forms
Research & Academia
- Collaborative research document management
- Multi-institution data sharing without intermediaries
- Versioning and attribution tracking
- Secure archival of research data and results
Enterprise & Corporate
- Department-level file silos with optional federation
- White-labeled branding for subsidiaries
- Automated retention policies
- Integration with internal workflows via WebDAV
Nonprofits & Government
- Grant documentation and reporting
- Secure inter-agency collaboration
- Zero foreign data exposure
- Budget-friendly alternative to vendor solutions
Security & Compliance
| Standard | Support |
|---|---|
| GDPR | ✅ Full compliance (data residency, right to deletion, audit logs) |
| HIPAA | ✅ Encryption, access controls, automatic backups |
| PCI-DSS | ✅ Secure document storage for financial data |
| SOC 2 Type II | ✅ Audit-ready architecture and logging |
| ISO 27001 | ✅ Information security management framework |
| End-to-End Encryption | ✅ AES-256-GCM encryption |
| Data Residency | ✅ Files stored only where you specify |
| Zero-Knowledge Design | ✅ Server never sees unencrypted files |
Performance & Scalability
| Metric | Value |
|---|---|
| Upload Speed | Gigabit LAN performance; optimized for WAN |
| File Size Limit | Configurable (tested up to 100 GB+) |
| Concurrent Users | 100s to 1,000s per cluster |
| Storage Capacity | Scales with your cluster (typically 20–50 TB) |
| Sync Latency | less than 5 seconds for file propagation across cluster |
| Backup & Recovery | Instant restore from any point-in-time snapshot |
| Search Speed | Sub-second full-text search across millions of files |
Integration & Support
- Standards-based: WebDAV, CalDAV, CardDAV endpoints for maximum compatibility
- Single sign-on: Integration with Mycelium Cockpit identity system
- API access: REST API for custom automation and third-party integrations
- Migration tools: Automated import from Google Drive, OneDrive, Dropbox, or legacy systems
- Professional SLA: Optional 24/7 support and managed backups
- White-label option: Custom branding and domain naming for service providers
Cooperative Cloud Federation
Multiple Mycelium Nextcloud instances can be linked via Mycelium Network, creating a federated cloud between trusted organizations:
- Each organization maintains full autonomy and data control
- Transparent, encrypted inter-office file sharing
- Automatic load balancing across clusters
- Federated identity and shared governance policies
- Perfect for legal cooperatives, medical networks, or multi-office enterprises
Future-Ready Infrastructure
Mycelium Nextcloud is part of the GeoMind Sovereign Cloud, a new paradigm where organizations:
- Own their data instead of renting access from cloud corporations
- Control compliance instead of trusting distant data centers
- Scale intelligently with other trusted partners in a cooperative mesh
- Evolve securely as quantum threats and privacy regulations change
Transform your organization's digital foundation. Deploy Mycelium Nextcloud today.