head to head · open source
Nextcloud vs Cozy
Nextcloud has 37,396 GitHub stars, 5,334 forks, 3,657 open issues and last shipped yesterday. Cozy has 1,268 stars, 147 forks, 56 open issues and last shipped yesterday. Nextcloud leads on adoption by 2,849% (37,396 vs 1,268 stars). Nextcloud is written in PHP under AGPL-3.0; Cozy is written in Go under AGPL-3.0. Nextcloud has attracted 14% as many forks as stars, Cozy 12%. 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
| Nextcloud | Cozy | |
|---|---|---|
| GitHub stars | ★ 37K | ★ 1.3K |
| License | AGPL-3.0 | AGPL-3.0 |
| Written in | PHP | Go |
| Last push | 2026-11-02 | 2026-11-02 |
| Forks | ⑂ 5.3K | ⑂ 147 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Nextcloud if
- You weight community size — 37K stars and counting
- You want the AGPL-3.0 license terms
- Your stack matches PHP
- You value the larger contributor base for long-term maintenance
pick Cozy if
- You want the Cozy feature set and don't need the biggest community
- You prefer the AGPL-3.0 license terms
- Your stack matches Go
- You evaluated both and Cozy fits your workflow better
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 →
About Cozy
Twake Workplace ========== What is Cozy? Cozy is a platform that brings all your web services in the same private space. With it, your web apps and your devices can share data easily, providing you with a new experience. You can install Cozy on your own hardware where no one profiles you. What is the Cozy Stack It is the core server of the Cozy platform. It consists of a single process, the Cozy stack . Full Cozy Stack documentation here. The Cozy Stack is in charge of serving the Web applications users have installed from the application store. It provides its services through a REST API that allows to: create…
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Frequently asked questions
Is Nextcloud or Cozy more popular?
Nextcloud has 37,396 GitHub stars and Cozy has 1,268. Nextcloud has the larger community by that measure.
Are Nextcloud and Cozy free?
Both are open source. Nextcloud is licensed under AGPL-3.0 and Cozy under AGPL-3.0. Neither carries a licence fee.
What is the difference between Nextcloud and Cozy?
Nextcloud is written in PHP and Cozy in Go. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, Nextcloud or Cozy?
Choose Nextcloud if you want the larger community (37,396 stars) or its AGPL-3.0 licence terms. Choose Cozy if its feature set, stack or AGPL-3.0 licence fits better. Both are self-hostable.