Authentik vs. Zitadel 2026: Open-Source Identity Provider Comparison
If you're looking for an Okta or Auth0 alternative, two open-source projects quickly rise to the top: Authentik and Zitadel. Both solve the same problem...
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Our vision is to be the interface for small and medium-sized companies to
Timo Wevelsiep & Robin Zins
CEOs of WZ-IT
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We plan, build and operate virtualized infrastructure based on Proxmox VE – on dedicated hardware, in the cloud or hybrid. The open-source alternative to VMware, without license costs.
WZ-IT manages our Proxmox cluster reliably and professionally. The team handles continuous monitoring and regular updates for us and responds very quickly to any issues or inquiries. They also configure new nodes, systems, and applications that we need to add to our cluster. With WZ-IT's proactive support, our cluster and the business-critical applications running on it remain stable, and high availability is consistently ensured. We value the professional collaboration and the noticeable relief it brings to our daily operations.
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If you're looking for an Okta or Auth0 alternative, two open-source projects quickly rise to the top: Authentik and Zitadel. Both solve the same problem...
The Ruhr Area is industrial heartland. From Dortmund through Essen to Duisburg, thousands of production facilities have been running reliably for decades - but are...
Arnsberg, as the largest city in the southeastern Ruhr area foothills, faces typical municipal challenges: energy costs for street lighting are rising, environmental data is...
Whether a specific IT challenge or just an idea – we look forward to the exchange. In a brief conversation, we'll evaluate together if and how your project fits with WZ-IT.
Timo Wevelsiep & Robin Zins
CEOs of WZ-IT



