The core functionality of DotNet Outdated as a library which allows you to embed it into your own applications
Install-Package DotNetOutdated.Core -Version 2.5.0
dotnet add package DotNetOutdated.Core --version 2.5.0
<PackageReference Include="DotNetOutdated.Core" Version="2.5.0" />
paket add DotNetOutdated.Core --version 2.5.0
See https://github.com/jerriep/dotnet-outdated/blob/master/CHANGELOG.md#v250 for release notes.
This package is not used by any popular GitHub repositories.