VMware Exit • S3 Exit • Auth0 Exit
Your Team Builds Products. We Run The Open-Source Stack.
Hostzero deploys and operates Proxmox, Ceph, Keycloak and Kubernetes for EU companies - in Frankfurt, Germany, with 24/7 support, without you hiring a DevOps team.
Operated on renewable energy in Germany.
Our Frankfurt data centre runs on renewable energy. Open-source infrastructure is leaner than proprietary stacks by default - fewer licences, less bloat, better hardware utilisation. You get a smaller footprint and full EU data sovereignty at the same time.
Energy certificateCompanies Running Open-Source With Us
Frankfurt DC, operated from Arnsberg
We operate it. You own it.
Our engineers have run Proxmox, Ceph, Keycloak and Kubernetes in production - not as a side skill, but as the core job. When something breaks at 3am, the same people who built your stack are the ones who fix it. Hardware in Frankfurt can be replaced within hours. And because we use open-source throughout, you are never locked in - take the entire stack and run it yourself any time you want.
What customers say about us
Here is what happens when open-source infrastructure is operated properly.
We run highly available training infrastructure for enterprise clients worldwide. Hostzero handles everything below the application layer — and it just works. We haven't had to think about the infrastructure since we moved.
Uwe Placzek, Diligram AG
Managed Kubernetes / e-learning platform
We were growing fast and kept running into capacity limits. Hostzero got us sorted quickly and has kept up with us ever since. No bureaucracy, no waiting — you talk to the people who actually run your servers.
Ljubo Radoš, Kick Stage d.o.o.
Fast-growing SaaS / infrastructure that scales
Our IoT workloads have very specific uptime and latency requirements. Hostzero built the setup to our specs and operates it in Germany, which matters for our compliance. We haven't looked back.
Bertram Wendisch, Jakob Müller AG
Industrial IoT / private cloud