Reference Architectures

Patterns for controlled digital environments.

Operating models for organizations that need control, governance, and resilience.

Reference architecture

Municipality

Built for public services where continuity, governance, and data control matter.

  • Identity: Keycloak
  • Mail: Mailcow
  • Storage: OpenCloud
  • Documents: Collabora
  • Meetings: Jitsi
  • Messaging: Mattermost
  • Projects: OpenProject
  • Knowledge Base: Wiki.js or BookStack
  • Technology foundation: Proxmox, Docker, Kubernetes, Linux
  • Backup: retention and recovery design

Reference architecture

Healthcare

Designed around sensitive workflows and controlled data location.

  • Identity: Keycloak
  • Mail: Mailcow
  • Storage: OpenCloud
  • Documents: Collabora
  • Meetings: Jitsi
  • Messaging: Mattermost
  • Projects: OpenProject
  • Knowledge Base: BookStack
  • Technology foundation: Proxmox, Docker, Kubernetes, Linux
  • Backup: retention and recovery design

Reference architecture

Education

Focused on collaboration, cost control, and portable records.

  • Identity: Keycloak
  • Mail: Mailcow
  • Storage: OpenCloud
  • Documents: Collabora
  • Meetings: Jitsi
  • Messaging: Mattermost
  • Projects: OpenProject
  • Knowledge Base: Wiki.js
  • Technology foundation: Proxmox, Docker, Kubernetes, Linux
  • Backup: retention and recovery design

Reference architecture

Manufacturing

Keeps operational knowledge, files, and identity portable and resilient.

  • Identity: Keycloak
  • Mail: Mailcow
  • Storage: OpenCloud
  • Documents: Collabora
  • Meetings: Jitsi
  • Messaging: Mattermost
  • Projects: OpenProject
  • Knowledge Base: BookStack
  • Technology foundation: Proxmox, Docker, Kubernetes, Linux
  • Backup: retention and recovery design

Reference architecture

Professional Services

Supports client work, contracts, and internal knowledge with clear governance.

  • Identity: Keycloak
  • Mail: Mailcow
  • Storage: OpenCloud
  • Documents: Collabora
  • Meetings: Jitsi
  • Messaging: Mattermost
  • Projects: OpenProject
  • Knowledge Base: Wiki.js or BookStack
  • Technology foundation: Proxmox, Docker, Kubernetes, Linux
  • Backup: retention and recovery design

Reference architecture

SME

A practical blueprint for smaller organizations that need control without sprawl.

  • Identity: Keycloak
  • Mail: Mailcow
  • Storage: OpenCloud
  • Documents: Collabora
  • Meetings: Jitsi
  • Messaging: Mattermost
  • Projects: OpenProject
  • Knowledge Base: BookStack
  • Technology foundation: Proxmox, Docker, Kubernetes, Linux
  • Backup: retention and recovery design