IDIA Singularity Registry

Web · Linux · Self-hosted · API

Freedom report

One barScore 5.4

Free tierNo free tier on record
Open codeNo open-source code on record
Runs widely2 of 6 device platforms
DocumentedPlans, terms and facts published

IDIA Singularity Registry is ranked #18 of 53 in container registries on Freedom251. It runs on API, Linux, Self-hosted, Web.

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The record

Container registry: The registry lets users browse container collections and download containers to a computer or cluster environment.
Private collections: Users can log in to browse private collections they have access to.
Container overview: The registry provides a treemap summary showing the number of containers per collection.
Build assistance: The site directs users to contact [email protected] for help building a container.
Team collaboration: A team is a group of users that can be assigned as collaborators to a collection.
Registry software purpose: Singularity Registry Server provides management and storage of Singularity images for an institution or user to deploy locally, and serves endpoints to obtain and save containers rather than managing builds.
Collections and access: Collections can be private, and owners can grant other users pull access or owner permissions through contributors and teams.
API: The registry API used by Singularity and sregistry clients is available through standard and Swagger schema views.
Client integrations: The documentation describes pulling with the Singularity client and using the sregistry command line client to push, pull, list, and delete containers.
Supported Singularity version: Direct pulls through the basic Sylabs Library API implementation require Singularity 3.3.0 or greater.
Authentication: Users can obtain a user token from the registry interface for authenticated pushes, and API requests present tokens in an Authorization header.
Security configuration: The project README says the starter NGINX application is configured for HTTP and points administrators to HTTPS setup instructions.
Local support: The site lists [email protected] for local registry support and building assistance.
Institution: IDIA is described as a partnership between the University of Cape Town, the University of the Western Cape, and the University of Pretoria.

Where it ranks on Freedom251

Best Container Registries in 2026#18 of 53

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Sources

sregistry.idia.ac.za· checked 5 Oct 2026
sregistry.idia.ac.za/teams· checked 5 Oct 2026
github.com/singularityhub/sregistry· checked 5 Oct 2026
singularityhub.github.io/sregistry/docs/interface· checked 5 Oct 2026
singularityhub.github.io/sregistry/· checked 5 Oct 2026
singularityhub.github.io/sregistry/docs/client· checked 5 Oct 2026
sregistry.idia.ac.za/about· checked 5 Oct 2026