A short, curated guide — not an automatic related dump. Figures come from SubMouse's safe-for-work directory when we have them.
r/homelab (about 1.1M members, directory rank #951) is where techies share labs, projects, builds and home infrastructure. Professional system administration discussion is the main genuine alternative when the context is work rather than a home lab.
Unrelated directory names are omitted.
Stay on homelab for home servers, racks and lab projects. Use sysadmin for professional system administration careers and operations.
r/homelab — Homelab
Welcome to your friendly /r/homelab, where techies and sysadmin from everywhere are welcome to share their labs, projects, builds, etc.
Sysadmin
When to choose it: Professional computer system administration.
Why it is here: Public description: A reddit dedicated to the profession of Computer System Administration. (about 1.3M members, rank #799). Listed as related to homelab (and vice versa).
How it differs from r/homelab: Work sysadmin versus home lab hobby/projects.
Run the automatic finder for r/homelab (results are matched from our directory; that page is not indexed): Find related to r/homelab.
Members and public descriptions come from SubMouse's safe-for-work directory (as of 2026-11-02 UTC); 7-day growth measured from 2026-10-26. Posts/day and culture claims appear only when we have them — missing fields stay n/a. Directory rank is listing order. Communities outside the published Top 100 open in the info tool instead of a full community page. Guide updated 2026-11-07.