uSync.CommandLine - beta for Umbraco v15 - (https://www.nuget.org/packages/uSync.Cli/15.0.0-beta1) - this one uses the ManagementAPI (and the uSync Management API) - with bits from Kenn's post above, and some basic uSync commands. https://github.com/Jumoo/uSync.CommandLine/tree/v15/main . Hope to make it all a bit more generic so in theory its as extensible as the current command line tools.