Your tools.
Through Sift.

Use the registry for this install.

npm install --registry=https://registry.willpercey.com/npm/

Replace PACKAGE with the package you want.

python -m pip install --index-url=https://registry.willpercey.com/pypi/simple/ PACKAGE

Add these source settings to your project's .cargo/config.toml.

[source.crates-io]
replace-with = "sift"

[source.sift]
registry = "sparse+https://registry.willpercey.com/cargo/index/"

GOPROXY=https://registry.willpercey.com/go go mod download

Set the project repository and disable the default Packagist source.

composer config repositories.sift composer https://registry.willpercey.com/composer/
composer config repositories.packagist.org false

Add this mirror inside <mirrors> in your Maven settings.xml.

<mirror>
  <id>sift</id>
  <url>https://registry.willpercey.com/maven/</url>
  <mirrorOf>central</mirrorOf>
</mirror>

Merge this setting into the Docker daemon configuration, then restart Docker. The mirror supports Docker Hub pulls.

{
  "registry-mirrors": ["https://registry.willpercey.com"]
}

Set both variables in the shell running Homebrew.

export HOMEBREW_API_DOMAIN=https://registry.willpercey.com/homebrew/api
export HOMEBREW_ARTIFACT_DOMAIN=https://registry.willpercey.com/homebrew

To stop if the gateway is unavailable, also set HOMEBREW_ARTIFACT_DOMAIN_NO_FALLBACK=1.

Use this source for a restore.

dotnet restore --source https://registry.willpercey.com/nuget/v3/index.json