Self-hosted virtualization platforms compared
Proxmox VE, XCP-ng and OpenStack compared as VMware replacements: licensing and support subscriptions, architecture, scale, storage and networking, and the team each needs to operate.

Roundups of open-source infrastructure software for teams running their own: virtualization, object storage, Git hosting, monitoring and log management, judged on license, maintenance status and operating effort.
Proxmox VE, XCP-ng and OpenStack compared as VMware replacements: licensing and support subscriptions, architecture, scale, storage and networking, and the team each needs to operate.
Ceph, MinIO and SeaweedFS compared for S3-compatible storage, including MinIO's archived, source-only community edition. Looks at maintenance status, licensing, architecture, scaling and operating effort.
GitLab, Forgejo and Gitea compared as GitHub alternatives in your own infrastructure: licenses and paid tiers, CI/CD, governance, resource needs and migration paths.
Prometheus, Zabbix and Nagios Core compared in depth, with VictoriaMetrics and Grafana covered as storage and visualization companions. Looks at architecture, licensing, alerting, configuration effort and scale.
Loki, OpenSearch and Graylog compared for centralized logging: indexing model, search and alerting, licensing and paid editions, storage cost and operating effort.
Self-hosted CI/CD roundup: Jenkins, Woodpecker CI and GitLab CI compared on license, pipeline definition, agents and Kubernetes support, plugins and the upkeep each needs, with Forgejo Actions and Gitea Actions named for teams on those forges.
Roundup of self-hosted platforms that replace Heroku, Vercel or Render: Coolify, Dokploy and Dokku compared on license, build methods, databases, multi-server support and paid options, and when a team should move to Kubernetes instead.
Roundup of self-hosted backup tools by what they protect: Bareos for servers and tape, Proxmox Backup Server for Proxmox VMs and containers, and Velero for Kubernetes resources and volumes, with Bacula named as Bareos' origin.
Roundup of agents that collect and forward logs: Fluent Bit, Fluentd and the OpenTelemetry Collector compared on language, footprint, plugins and OpenTelemetry support, with Vector, Grafana Alloy and Logstash named as alternatives.

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