Open-source alternatives guide · Updated 2026
Compare the best free and open-source alternatives to Umbrel — 3 verified projects with explicit catalog relationships. Inspect licenses, GitHub activity, self-hosting signals, and migration fit before you switch.
Only explicit alternative relationships are shown—never inferred competitor claims.
This guide compares 3 verified open-source alternatives to Umbrel, including CasaOS, Cosmos-Server, and YunoHost.
Projects appear across Infrastructure and Security & Privacy. 3 options include a self-hosting signal — see the self-hosted catalog. Ranking follows public GitHub stars and recorded momentum—not vendor marketing. Compare projects side by side, then confirm license fit, migration effort, and operational ownership before adopting any option.
Strongest repository-activity signal: CasaOS · Jump to ranking · 36.7K stars · self-hostable
Proprietary product with documented open-source alternatives cataloged on OpenSourceChoice. Compare licenses, repository activity, and self-hosting options befo
Compare capabilities, licensing, and ownership model. Stars help with discovery; they are not a security or product-fit guarantee.
Open-source alternative to Umbrel
CasaOS - A simple, easy-to-use, elegant open-source Personal Cloud system.
CasaOS - A simple, easy-to-use, elegant open-source Personal Cloud system. Review the official repository, license, release activity, and deployment documentation before production
Open-source alternative to Umbrel
☁️ The Most Secure and Easy Selfhosted Home Server. Take control of your data and privacy without sacrificing security and stability (Authentication, anti-DDOS, anti-bot)
☁️ The Most Secure and Easy Selfhosted Home Server. Take control of your data and privacy without sacrificing security and stability (Authentication, anti-DDOS, anti-bot) Review t
Open-source alternative to Umbrel
YunoHost is an operating system aiming to simplify as much as possible the administration of a server. This repository corresponds to the core code, written mostly in Python and Bash.
YunoHost is an operating system aiming to simplify as much as possible the administration of a server. This repository corresponds to the core code, written mostly in Python and Ba
Map must-have capabilitiesList the workflows in Umbrel you cannot drop during migration.
Verify the licenseConfirm it fits your use, distribution, and compliance model. Browse license briefs.
Run a proof of conceptTest real data, integrations, clients, and failure modes. Use Compare for side-by-side checks.
Plan ownershipAssess upgrades, backups, support, and an exit path. Read when self-hosting is worth it.
OpenSourceChoice currently lists 3 projects with an explicit alternative relationship to Umbrel. Catalog highlights include CasaOS, Cosmos-Server, and YunoHost. Rankings follow public GitHub stars and recorded momentum—not paid placement. Match capabilities and license fit to your workflow before adopting any option.
Most catalogued alternatives publish source under OSI or source-available licenses and are free to inspect. Hosting, commercial support, or cloud model APIs may still cost money. Always read the project license for your use case.
3 options in this list carry a self-hosting signal. Confirm the official install guide, backups, upgrades, and hardening steps before production.
Map must-have Umbrel workflows, verify license and compliance fit, run a proof of concept with real data and integrations, then plan ownership for upgrades, backups, support, and an exit path.
Narrow the same alternatives by search, license, tags, or self-hosting signals when you need a tighter shortlist.
CasaOS - A simple, easy-to-use, elegant open-source Personal Cloud system.
InfrastructureOpen-source projects grouped in this category for discovery and comparison.#
GoProjects tagged with this topic in the verified catalog.
Github ActionsProjects tagged with this topic in the verified catalog.
NodeJSProjects tagged with this topic in the verified catalog.Self-hostedThis project carries a self-hosting or local-deployment signal. Verify the official install guide before production use.
UmbrelProprietary product with documented open-source alternatives cataloged on OpenSourceChoice. Compare licenses, reposit…☁️ The Most Secure and Easy Selfhosted Home Server. Take control of your data and privacy without sacrificing security and stability (Authentication, anti-DDOS, anti-bot)
Security & PrivacyOpen-source projects grouped in this category for discovery and comparison.#
JavaScriptProjects tagged with this topic in the verified catalog.NodeJSProjects tagged with this topic in the verified catalog.
CSSProjects tagged with this topic in the verified catalog.Self-hostedThis project carries a self-hosting or local-deployment signal. Verify the official install guide before production use.UmbrelProprietary product with documented open-source alternatives cataloged on OpenSourceChoice. Compare licenses, reposit…YunoHost is an operating system aiming to simplify as much as possible the administration of a server. This repository corresponds to the core code, written mostly in Python and Bash.
InfrastructureOpen-source projects grouped in this category for discovery and comparison.#
PythonProjects tagged with this topic in the verified catalog.Github ActionsProjects tagged with this topic in the verified catalog.
BashProjects tagged with this topic in the verified catalog.Self-hostedThis project carries a self-hosting or local-deployment signal. Verify the official install guide before production use.UmbrelProprietary product with documented open-source alternatives cataloged on OpenSourceChoice. Compare licenses, reposit…
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