Insights, tutorials and best practices from the world of Cloud, DevOps and Open Source
Open-Source-Software

Zammad, FreeScout, osTicket or Chatwoot: self-hosted helpdesk compared
With open-source helpdesk systems the feature list is rarely the problem. All candidates manage tickets, assign them, escalate and report. The problem is where the...

k3s, k0s, RKE2 or Talos: Kubernetes distributions compared 2026
Comparisons of Kubernetes distributions usually place k3s, k0s, RKE2 and Talos side by side and compare memory footprint and start-up time. That misses the most...

Self-hosted Jira alternatives: OpenProject, Plane and Vikunja compared
Lists of Jira alternatives are plentiful, and most share a problem: they are copied rather than checked. Two of the most frequently named candidates have...

Nextcloud, Seafile, OpenCloud or ownCloud: who owns your file storage
Comparisons of self-hosted file storage usually end at feature lists and sync speed. Both are measurable and both are secondary to the decision. The reason...

Zabbix, Checkmk, Prometheus or Netdata: monitoring compared 2026
Monitoring comparisons usually list features side by side and arrive at the conclusion that all candidates do essentially the same thing. That misleads, because the...

Mailcow, Stalwart or Mailu: self-hosted mail servers compared
The self-hosted mail server is the emblem of sovereign IT and at the same time the service where self-hosting most often goes wrong. Not because...
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