Distribution Registry UI vs zot
A side-by-side comparison of two self-hosted developer tools & git options — licensing, setup difficulty, resource needs, and what each one replaces.
zot
Production-ready vendor-neutral OCI registry
| Feature | Distribution Registry UI | zot |
|---|---|---|
| Deploy effort | Under-an-hour setup | Under-an-hour setup |
| Health score | 82 · Excellent | 87 · Excellent |
| Category | Developer Tools & Git | Developer Tools & Git |
| License | MIT | Apache-2.0 |
| Language | Riot | Go |
| Setup difficulty | Easy | Easy |
| Min. RAM | 128 MB | 256 MB |
| Deployment | docker | docker, kubernetes, binary |
| GitHub stars | ★ 3,534 | ★ 2,799 |
| First released | 2017 | 2019 |
| Replaces | Docker Hub | Docker Hub, Harbor |
What are Distribution Registry UI and zot?
Distribution Registry UI
A lightweight web user interface that sits in front of the Docker Distribution registry, letting teams browse, search, and delete container images. It adds a usable front end to the bare registry API.
- Browse registry images
- Tag and digest viewing
- Image deletion
- Search across repositories
zot
zot is an OCI-native container image registry focused exclusively on the OCI spec. It supports image signing, vulnerability scanning, and a web UI for browsing repositories.
- OCI-only registry
- Built-in image scanning
- Web UI included
- Image signing support
Distribution Registry UI vs zot: key differences
Distribution Registry UI is written in Riot, while zot is built with Go. Licensing differs — MIT for Distribution Registry UI versus Apache-2.0 for zot. Distribution Registry UI is the lighter option, starting around 128 MB of RAM against 256 MB for zot. Distribution Registry UI is the more established project (first released 2017), while zot arrived in 2019.
Why pick each one
Choose Distribution Registry UI if…
- Adds usability to bare registry
- Tiny footprint
Watch out for
- No authentication of its own
- Requires a running registry
Choose zot if…
- Released under the Apache-2.0 license
- Easy to set up — beginner-friendly
- First-class Docker support for quick deployment
- Kubernetes-ready with Helm charts available
Frequently asked questions
Is Distribution Registry UI or zot better?
Neither is universally better. Distribution Registry UI has the larger community; both share a easy setup difficulty, so the decision comes down to features and licensing.
Are Distribution Registry UI and zot free and open-source?
Yes. Distribution Registry UI is licensed under MIT and zot under Apache-2.0. Both can be self-hosted at no software cost.
Can I run Distribution Registry UI and zot with Docker?
Distribution Registry UI: yes. zot: yes.
Which is lighter on resources, Distribution Registry UI or zot?
Distribution Registry UI has the smaller minimum footprint at 128 MB of RAM, compared to about 256 MB for zot. Real-world usage depends on library size, user count, and enabled features.