Upspin vs OpenCloud
A side-by-side comparison of two self-hosted file sync & storage options — licensing, setup difficulty, resource needs, and what each one replaces.
OpenCloud
Modern open-source file platform from ownCloud team
| Feature | Upspin | OpenCloud |
|---|---|---|
| Deploy effort | Read-the-docs project | Under-an-hour setup |
| Health score | 37 · At risk | 91 · Excellent |
| Category | File Sync & Storage | File Sync & Storage |
| License | BSD-3-Clause | Apache-2.0 |
| Language | Go | Go |
| Setup difficulty | Hard | Medium |
| Min. RAM | 128 MB | 512 MB |
| Deployment | binary, source | docker |
| GitHub stars | ★ 6,404 | ★ 6,153 |
| First released | 2016 | 2025 |
| Replaces | Dropbox | Dropbox, Google Drive |
What are Upspin and OpenCloud?
Upspin
Upspin is an experimental framework from Google for naming and sharing files securely across the internet. It gives every file a globally unique name and end-to-end encrypted access control.
- Global file naming system
- End-to-end encrypted sharing
- Fine-grained access groups
OpenCloud
OpenCloud is a modern open-source file sync, share, and collaboration platform built on a microservice architecture. It targets organizations wanting a current, lightweight content collaboration server. It is deployed via Docker Compose.
- Microservice-based architecture
- Web-based collaboration
- Lightweight Go backend
- Compatible desktop clients
Upspin vs OpenCloud: key differences
Both projects are written in Go. Licensing differs — BSD-3-Clause for Upspin versus Apache-2.0 for OpenCloud. Upspin is the lighter option, starting around 128 MB of RAM against 512 MB for OpenCloud. Upspin is the more established project (first released 2016), while OpenCloud arrived in 2025. OpenCloud lists first-class Docker deployment; Upspin does not.
Why pick each one
Choose Upspin if…
- Released under the BSD-3-Clause license
- Mature project with 6.4k GitHub stars
- Written in Go
- Tiny footprint — runs in 128 MB RAM
Choose OpenCloud if…
- Modern, fast codebase
- Lightweight footprint
- Permissively licensed
Watch out for
- Very new project
- Smaller ecosystem so far
Frequently asked questions
Is Upspin or OpenCloud better?
Neither is universally better. Upspin has the larger community, while OpenCloud is simpler to set up (medium difficulty). Choose based on the comparison table above and your own setup.
Are Upspin and OpenCloud free and open-source?
Yes. Upspin is licensed under BSD-3-Clause and OpenCloud under Apache-2.0. Both can be self-hosted at no software cost.
Can I run Upspin and OpenCloud with Docker?
Upspin: check the project docs for container support. OpenCloud: yes.
Which is lighter on resources, Upspin or OpenCloud?
Upspin has the smaller minimum footprint at 128 MB of RAM, compared to about 512 MB for OpenCloud. Real-world usage depends on library size, user count, and enabled features.