#1
umbrelOS is a home server operating system that lets you self-host popular apps via a built-in app store, with one-click installs on Raspberry Pi, x86, or Umbrel Home.
11.7k stars777 forkslast commit Actively maintained
8 self-hosted Cosmos (Cosmos Server) alternatives
Cosmos Server is a self-hosted home server dashboard and app management platform that provides a web UI to deploy, run, and manage services on a personal machine. It includes user authentication and optional remote access to the management interface.
Alternatives to Cosmos (Cosmos Server)
Sandstorm is a self-hostable web productivity suite that lets you install, run, and securely share many web apps with unified access control and sandboxing.
7.1k stars708 forkslast commit Actively maintained
#3
Open source Linux server OS with a web UI and marketplace for installing, configuring, monitoring, and backing up self-hosted services.
2k stars189 forksMITlast commit Actively maintained
NixOS distribution of modular 'blocks' that standardize and test server services, offering backups, ZFS datasets, LDAP/SSO, monitoring, reverse proxy, and certificate management.
482 stars18 forksAGPL-3.0last commit Actively maintained
#5
Syncloud is a self-hosted personal cloud platform that installs and manages curated applications via snaps, offering device images and a Vue-based web UI for private on-prem app hosting.
433 stars46 forksGPL-3.0last commit Actively maintained
#6
A collection of Ansible roles and CLI utilities to install, configure and maintain self-hosted network services (Nextcloud, Matrix, Jitsi, PostgreSQL, WireGuard) on Debian-based hosts.
405 stars32 forksGPL-3.0last commit Actively maintained
#7
WAGMIOS is a self-hosted container management system that provides a Docker marketplace, admin UI, and an AI assistant (W.I.L.L.O.W) for workflow automation and container operations.
56 stars3 forksApache-2.0last commit Actively maintained
A small Debian-based server system for self-hosting email, chat, VoIP, wikis, blogs, social networks and other community services on modest hardware.
49 stars3 forksAGPL-3.0last commit Actively maintained
What replacing Cosmos (Cosmos Server) actually involves
Every option on this page is open source and free to run on your own hardware, so you own the data and there is no subscription to cancel. 8 of 8 shipped a commit in the last six months. Licences in this list: MIT, AGPL-3.0, GPL-3.0, Apache-2.0. In exchange you take on hosting, backups and updates yourself.
Browse everything in Self-Hosting Platforms & Control Panels.
