* [Harbor v2.15.4](https://github.com/goharbor/harbor) – Cloud native registry that stores, signs, and scans content with advanced security features.

* [go-judge v1.13.2](https://github.com/criyle/go-judge) – Sandbox service for running programs in restricted environments with REST and gRPC APIs.

* [Microsandbox v0.7.8](https://github.com/superradcompany/microsandbox) – Secure, local-first programmable sandboxes using hardware-isolated microVMs that boot in milliseconds for AI agents.

* [Kraken v0.1.31](https://github.com/uber/kraken) – P2P-powered Docker registry optimized for scalable, available image distribution and replication in hybrid cloud environments.

* [layerx v1.6.2](https://github.com/deveshctl/layerx) – Interactive terminal tool to inspect Docker image layers, showing per-file origins, wasted bytes, and CI-friendly efficiency and regression checks.

* [stereoscope v0.3.4](https://github.com/anchore/stereoscope) – Library for reading container images, constructing per-layer and squashed file trees, and querying file contents and metadata.

* [Whitehall v3365](https://github.com/alphagov/whitehall) – Tool for publishers to create and manage government content.

* [Smart Answers v1752](https://github.com/alphagov/smart-answers) – Tool for content designers to present complex information as a flow of questions leading to an outcome.

* [Signon v2883](https://github.com/alphagov/signon) – Centralised OAuth2-based single sign-on provider for GDS services with username/password and 2-step verification.