Upspin vs SparkleShare
A side-by-side comparison of two self-hosted file sync & storage options — licensing, setup difficulty, resource needs, and what each one replaces.
| Feature | Upspin | SparkleShare |
|---|---|---|
| Deploy effort | Read-the-docs project | Read-the-docs project |
| Health score | 37 · At risk | 70 · Good |
| Category | File Sync & Storage | File Sync & Storage |
| License | BSD-3-Clause | GPL-3.0 |
| Language | Go | C# |
| Setup difficulty | Hard | Medium |
| Min. RAM | 128 MB | 128 MB |
| Deployment | binary, source | bare-metal, binary |
| GitHub stars | ★ 6,404 | ★ 4,988 |
| First released | 2016 | 2010 |
| Replaces | Dropbox | Dropbox |
What are Upspin and SparkleShare?
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
SparkleShare
SparkleShare is a file synchronization tool that uses Git repositories as the storage backend, giving every change a full version history. It is well suited to syncing collaborative projects and small text-heavy files across machines.
- Git-backed versioning
- Automatic conflict handling
- End-to-end encryption option
- Self-hosted on any SSH host
Upspin vs SparkleShare: key differences
Upspin is written in Go, while SparkleShare is built with C#. Licensing differs — BSD-3-Clause for Upspin versus GPL-3.0 for SparkleShare. SparkleShare is the more established project (first released 2010), while Upspin arrived in 2016.
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 SparkleShare if…
- Full history of every change
- Works over plain SSH
Watch out for
- Poor with large binary files
- Slower development pace
Frequently asked questions
Is Upspin or SparkleShare better?
Neither is universally better. Upspin has the larger community, while SparkleShare is simpler to set up (medium difficulty). Choose based on the comparison table above and your own setup.
Are Upspin and SparkleShare free and open-source?
Yes. Upspin is licensed under BSD-3-Clause and SparkleShare under GPL-3.0. Both can be self-hosted at no software cost.
Can I run Upspin and SparkleShare with Docker?
Upspin: check the project docs for container support. SparkleShare: check the project docs for container support.