Self-Hosting
For privacy advocates and tinkerers.
Communities for people running their own servers, home labs, and self-hosted applications. Reddit dominates with massive communities for home automation, self-hosted media servers, and container orchestration, covering everything from beginner setup to advanced homelab builds.
Communities

community for containerization, deployment patterns, and self-hosted service ops.

home of 700k+ self-hosters swapping Nextcloud automation scripts, integrations, and privacy tips.

519k+ members sharing automations, templates, and self-hosted smart-home builds.
Welcome to your friendly /r/homelab, where techies and sysadmin from everywhere are welcome to share their labs, projects, builds, etc. This reddit community has an associated discord server.
A place to share alternatives to popular online services that can be self-hosted without giving up privacy or locking you into a service you don't control.
Blue Dwarf is for people who are looking for an online community that believes in "old Internet" values like free speech, privacy, and anonymity. While users are encouraged to post on any topic that interests them in a verbal-abuse free environment, we spend quite a bit of time discussing self hosting, Linux, politics, and spirituality.
open protocol and community for decentralized chat/real-time comms and self-hosting guidance.
A place to share alternatives to popular online services that can be self-hosted without giving up privacy or locking you into a service you don’t control.
active user/developer community around self-hosted productivity and storage.
for self-hosted media server deployment, plugin development, and automation tips.
resources for spinning up inference locally/privately.

5.9k members sharing tips on containers, automation, and self-service tooling.
virtualization and self-hosted infrastructure community (clusters, containers, automation).
official discussion forum for the open-source home automation platform and self-hosted integrations.

virtualization/self-hosted infrastructure subreddit covering clusters, backups, and automation.
storage/SCALE discussion for self-hosted data, virtualization, automation, and monitoring.
Debian-based NAS/self-hosting community focused on containers, automation, and plugins.
self-hosted, privacy-preserving DNS and ad-blocking deployments discussion.

discussion hub for Kasm Workspaces, disposable browsers, and containerized self-hosted tools.
documentation, troubleshooting, and community support for deploying Kasm Workspaces on-prem.

community sharing SCALE/CORE projects, automation, ZFS tips, and infrastructure builds.

media server builders sharing Docker compose, automation, and plugin guides.

community around self-hosted streaming, automation scripts, and performance tuning.