22 Online Communities for Self-Hosters
Updated 5/23/2026
r/homelab
on reddit and discord
Welcome to your friendly /r/homelab, where techies and sysadmin from everywhere are welcome to share their labs, projects, builds, etc.1.0M members
ForumChat40 views / month
r/selfhosted
on reddit
A place to share, discuss, discover, assist with, gain assistance for, and critique self-hosted alternatives to our favorite web apps, web services, and online tools.789K members
Forum31 views / month
r/HomeAssistant
on reddit
Home Assistant is open source home automation that puts local control and privacy first. Powered by a worldwide community of tinkerers and DIY enthusiasts. Perfect to run on a Raspberry Pi or a local server. Available for free at home-assistant.io.559K members
ForumCoursesTools8 views / month
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Pi-hole community
self-hosted, privacy-preserving DNS and ad-blocking deployments discussion.ForumCourses5 views / month
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Matrix.org
open protocol and community for decentralized chat/real-time comms and self-hosting guidance.Forum3 views / month
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Blue Dwarf
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.892 members
Forum8 views / month
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Hugging Face Self-Hosted
resources for spinning up inference locally/privately.ForumCoursesTools4 views / month
r/Nextcloud
on reddit
Nextcloud is an open source, self-hosted file sync & communication app platform. Access & sync your files, contacts, calendars and communicate & collaborate across your devices. You decide what happens with your data, where it is and who can access it! If you have questions for use in a company or government at scale (>1000 users), do yourself a favor and contact Nextcloud itself - this community is mostly home-user focused!70K members
ForumCoursesTools2 views / month
r/jellyfin
on reddit
This is the Reddit space for the Jellyfin Project. For help with Jellyfin, see https://jellyfin.org/contact for contact options. Allowed: Community discussions about Jellyfin and related topics. Discouraged: Help & feature requests (no official support here; use our official spaces: https://jellyfin.org/contact). Disallowed: Anything that is against our community standards: https://jellyfin.org/docs/general/community-standards/.116K members
ForumCoursesTools2 views / month
r/Plex
on reddit
For questions and comments about the Plex Media Server. The Plex Media Server is smart software that makes playing Movies, TV Shows and other media on your computer simple. This page is community-driven and not run by or affiliated with Plex, Inc.406K members
ForumCoursesTools2 views / month
r/docker
on reddit
Docker is an open-source project to easily create lightweight, portable, self-sufficient containers from any application. The same container that a developer builds and tests on a laptop can run at scale, in production, on VMs, bare metal, OpenStack clusters, public clouds and more.314K members
ForumCourses5 views / month
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Nextcloud community
active user/developer community around self-hosted productivity and storage.ForumTools3 views / month
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Jellyfin
for self-hosted media server deployment, plugin development, and automation tips.ForumCourses2 views / month
Self-Hosted
on discord
5.9k members sharing tips on containers, automation, and self-service tooling.ForumChat5 views / month
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Home Assistant Community
official discussion forum for the open-source home automation platform and self-hosted integrations.ForumTools3 views / month
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TrueNAS Community
storage/SCALE discussion for self-hosted data, virtualization, automation, and monitoring.ForumPairing4 views / month
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openmediavault
Debian-based NAS/self-hosting community focused on containers, automation, and plugins.ForumTools3 views / month
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Kasm Community Edition
documentation, troubleshooting, and community support for deploying Kasm Workspaces on-prem.ForumTools2 views / month
r/TrueNAS
on reddit
Official subreddit for TrueNAS, the Mission-Critical Open Enterprise Storage Platform delivering Data Sovereignty to the global community. TrueNAS is tuned for performance at scale, enabling multi-petabyte installations and integration into existing production workflows with ease. Built on OpenZFS with unified file, block, and object storage, TrueNAS is open-core, available as turnkey TrueNAS Enterprise appliances for commercial use, as well as the free TrueNAS Community Edition. OWN YOUR DATA.88K members
ForumPairing5 views / month
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Lemmy SelfHosted
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.Forum7 views / month
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Proxmox
virtualization and self-hosted infrastructure community (clusters, containers, automation).Forum2 views / month
r/Proxmox
on reddit
Welcome to r/Proxmox , the main subreddit regarding the Proxmox hypervisor!205K members
Forum5 views / month
FAQ
Community size
- Tiny: 0 communities (<20 members)
- Small: 0 communities (20-100 members)
- Medium: 1 communities (100-1,000 members)
- Large: 0 communities (1,000-10,000 members)
- Huge: 2 communities (10,000-100,000 members)
- Massive: 6 communities (100,000-1M members)
- Gigantic: 1 communities (1M+ members)
Community features
Community platforms
- Reddit: 9 communities
- Discord: 2 communities