Your identities. Your data. Your rules.
We connect people with applications – securely, openly, and under your control. Open source made in Germany for more than 20 years.
Digital Sovereignty Starts with Identity & Access Management
be open
Trust that counts
Digital Sovereignty Reimagined
Retain Control Over Your Digital Future
True digital sovereignty means retaining full control over your software, your data, and your technological direction.
Nubus gives you that control back: without vendor lock-in, without hidden dependencies, and without being tied to individual cloud providers.
100 % Open Source
Complete transparency and control through open source code: auditable, customizable, and sustainably usable at any time.
100 % Open Standards
Full integrability and long-term compatibility through established standards: flexibly extensible in any direction.
100 % Compliance
Consistently aligned with European data protection and security standards such as GDPR and BSI IT Baseline Protection.
100 % Flexible Operating Models
Free choice of operating model – on-premises, in the cloud, or as SaaS, entirely according to your requirements.
How Nubus Works
IAM - The Heart of Your IT.
For All Identities. For All Systems.
Experience how Nubus connects your IT landscape into a complete solution while you retain full decision-making authority.
Step 1 of 3
One Login.
All Applications.
Nubus connects all users and applications in one central portal with access controlled according to roles and permissions.
Single Sign-on & Multi-Factor Authentication
Central sign-in for connected applications. Supports Multi-Factor Authentication (MFA) for additional protection of user access.
Central Rights and User Management
Manage users, groups, and permissions in one place. Access is granted based on roles and managed automatically.
BSI IT Baseline Protection-Compliant Implementation
Supports operation in accordance with BSI IT Baseline Protection. Documentation and traceability of access and permissions are ensured.
Step 2 of 3
The Right Solution for Your Use Case.
Central Identity and Access Management for public administration, businesses, and education. Flexibly adaptable to existing structures and requirements and designed to support digital sovereignty in complex IT landscapes.
Public & Enterprise
Nubus
- Roles and permissions can be modeled flexibly
- Self-service for users and permissions: reduces manual IT processes
- Central identitiy & access management
- Support with SLA: for productive operation in enterprise environments
Education
UCS@school
- Automated school year rollover
- Flexible role and permission assignment
- Connect school services: ID Broker, Apple School Manager, and Microsoft 365
- Integration with school administration systems and state directory services
Step 3 of 3
Connect more than 60+ Integrations Flexibly.
Preconfigured Integration Packages
Connect common applications such as Open-Xchange App Suite, Nextcloud, ownCloud, and other applications - ready for use quickly and without development effort.
Open Interfaces & Standards
OIDC, SAML, LDAP, and REST-based APIs: for flexible integration with external systems, automated data exchange and integration.
Freely Configurable Application Landscapes
Build individual application landscapes without limitations when selecting the applications you use.
Step 1 of 3
One Login.
All Applications.
Nubus connects all users and applications in one central portal with access controlled according to roles and permissions.
Single Sign-on & Multi-Factor Authentication
Central sign-in for connected applications. Supports Multi-Factor Authentication (MFA) for additional protection of user access.
Central Rights and User Management
Manage users, groups, and permissions in one place. Access is granted based on roles and managed automatically.
BSI IT Baseline Protection-Compliant Implementation
Supports operation in accordance with BSI IT Baseline Protection. Documentation and traceability of access and permissions are ensured.
Step 2 of 3
The Right Solution for Your Use Case.
Central Identity and Access Management for public administration, businesses, and education. Flexibly adaptable to existing structures and requirements and designed to support digital sovereignty in complex IT landscapes.
Public & Enterprise
Nubus
- Roles and permissions can be modeled flexibly
- Self-service for users and permissions: reduces manual IT processes
- Central identitiy & access management
- Support with SLA: for productive operation in enterprise environments
Education
UCS@school
- Automated school year rollover
- Flexible role and permission assignment
- Connect school services: ID Broker, Apple School Manager, and Microsoft 365
- Integration with school administration systems and state directory services
Step 3 of 3
Connect more than 60+ Integrations Flexibly.
Preconfigured Integration Packages
Connect common applications such as Open-Xchange App Suite, Nextcloud, ownCloud, and other applications - ready for use quickly and without development effort.
Open Interfaces & Standards
OIDC, SAML, LDAP, and REST-based APIs: for flexible integration with external systems, automated data exchange and integration.
Freely Configurable Application Landscapes
Build individual application landscapes without limitations when selecting the applications you use.
These Are the Challenges Nubus Solves
Where IT Reaches Its Limits Today
Whether password chaos, system dependencies, or manual IT processes: identity and access management costs time and resources every day. Nubus reduces this complexity and creates centralized control.
A Comparison
There's more to Nubus
| Feature | Nubus | Entra ID / Okta | Keycloak | Authentik |
|---|---|---|---|---|
| 100% Open Source | ||||
| EU Legal Area | ||||
| Freedom of Choice of Operating Model | ||||
| Enterprise Product | ||||
| Enterprise Support | ||||
| Compliance (GPDR/ BSI) | ||||
| Admin Interface (IT) | ||||
| Admin Interface (Business Unit) | ||||
| End User Portal | ||||
| Cost Stability |
* Partially fulfilled
** Depending on the third-party providers used and individual maintenance contracts.
*** Price developments for SaaS offerings can vary and are often associated with limited switching options.
** Depending on the third-party providers used and individual maintenance contracts.
*** Price developments for SaaS offerings can vary and are often associated with limited switching options.
Schleswig-Holstein: 100% digitally sovereign
``With Univention Nubus, we are building the Open Source foundation for our new sovereign IT infrastructure. It gives us full control, helps us deliver well-integrated applications, and creates a clear migration path for existing systems.``
Dirk Schrödter
Minister and Head of the State Chancellery of Schleswig-Holstein
35.000
identities managed sovereignly
9
Ministries
60
State Authorities
As a pioneer, Schleswig-Holstein consistently relies on digital sovereignty and open source. Univention orchestrates the state’s web workplace, provides the central Identity & Access Management with the necessary connectors, and ensures Single Sign-on.
Building on Nubus, a central directory service is also being created as a sovereign alternative to Active Directory for the entire state administration.
Industries & Areas of Use
Made for your organization.
Nubus adapts to your requirements, whether public administration, education sector, or companies.
- Less complexity in IT landscapes that have evolved over time
- Digital sovereignty without vendor dependencies
- Secure access to specialized procedures and administrative applications
- Less effort in managing school identities
- Easy access to all digital learning offerings
- More time for education instead of administration
- Manage identities and access centrally across all systems
- Secure collaboration without password and permission chaos
- Create flexible IT structures and grow independently
Customer Voices
Trust That Counts: What Our Customers Say
“Nubus is an important building block in the architecture of openDesk. As a central portal with comprehensive role and permission management, it enables us to offer user management and, where needed, to connect existing user management systems.”
“Open source can be this simple.”
“With Univention, we had a reliable partner at our side throughout the entire project – one that not only already had a suitable product in its portfolio, but also adapted it excellently to our specific requirements and will continue to offer qualified third-level support for it in the future.”
“We were able to reduce our administrative effort while at the same time ensuring the compliance and security of our environment.”
“UCS@school reduces and centralizes the support effort for our IT, and thanks to the reliable and consistent pedagogical features, our teachers can once again focus more on their actual tasks.”
“Univention has been a reliable partner for fifteen years in operating and further developing the pedagogical IT landscape of the schools in the city of Bremen. The introduction of the new import interface and the resulting opportunities for greater flexibility represent real added value for our teachers.”
