head to head · open source
CasaOS vs Nextcloud
CasaOS has 37,521 GitHub stars, 2,209 forks, 833 open issues and last shipped 1 months ago. Nextcloud has 37,396 stars, 5,334 forks, 3,657 open issues and last shipped yesterday. CasaOS leads on adoption by 0% (37,521 vs 37,396 stars). CasaOS is written in Go under Apache-2.0; Nextcloud is written in PHP under AGPL-3.0. CasaOS has attracted 6% as many forks as stars, Nextcloud 14%. Nextcloud was the more recently maintained of the two, and both are self-hostable with no licence fee.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| CasaOS | Nextcloud | |
|---|---|---|
| GitHub stars | ★ 38K | ★ 37K |
| License | Apache-2.0 | AGPL-3.0 |
| Written in | Go | PHP |
| Last push | 2026-09-28 | 2026-11-02 |
| Forks | ⑂ 2.2K | ⑂ 5.3K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick CasaOS if
- You weight community size — 38K stars and counting
- You want the Apache-2.0 license terms
- Your stack matches Go
- You value the larger contributor base for long-term maintenance
pick Nextcloud if
- You want the Nextcloud feature set and don't need the biggest community
- You prefer the AGPL-3.0 license terms
- Your stack matches PHP
- You evaluated both and Nextcloud fits your workflow better
About CasaOS
CasaOS Your Personal Cloud Connect with the community, establish autonomy, reduce the cost of SaaS, and MAXIMIZE the potential for a personalized copilot. Website Demo GitHub Why do you need Personal Cloud? In 2020, the team noticed three important trends: The cost of computing power and storage was decreasing fast. A part of cloud computing was moving towards edge computing. The issue of consumer data asset ownership and attribution had been ignored. Based on these trends, the team proposed a thought experiment internally: what if personal clouds were available under $100 in next five years? This personal cloud…
read the full CasaOS overview →
About Nextcloud
Nextcloud Server ☁ A safe home for all your data. Why is this so awesome? 🤩 📁 Access your Data You can store your files, contacts, calendars, and more on a server of your choosing. 🔄 Sync your Data You keep your files, contacts, calendars, and more synchronized amongst your devices. 🙌 Share your Data …by giving others access to the stuff you want them to see or to collaborate with. 🚀 Expandable with hundreds of Apps ...like Calendar, Contacts, Mail, Video Chat and all those you can discover in our App Store 🔒 Security with our encryption mechanisms, HackerOne bounty program and two factor authentication…
read the full Nextcloud overview →
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Frequently asked questions
Is CasaOS or Nextcloud more popular?
CasaOS has 37,521 GitHub stars and Nextcloud has 37,396. CasaOS has the larger community by that measure.
Are CasaOS and Nextcloud free?
Both are open source. CasaOS is licensed under Apache-2.0 and Nextcloud under AGPL-3.0. Neither carries a licence fee.
What is the difference between CasaOS and Nextcloud?
CasaOS is written in Go and Nextcloud in PHP. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, CasaOS or Nextcloud?
Choose CasaOS if you want the larger community (37,521 stars) or its Apache-2.0 licence terms. Choose Nextcloud if its feature set, stack or AGPL-3.0 licence fits better. Both are self-hostable.