* [nix-snapshotter v0.4.0](https://github.com/pdtpartners/nix-snapshotter) – Enables containerd to pull and run containers directly from Nix store packages without traditional image layers.

* [stereoscope v0.1.21](https://github.com/anchore/stereoscope) – Library for reading container images, constructing per-layer and squashed file trees, and querying file contents and metadata.