We write apps like this in Object Pascal using Lazarus. Think Delphi but open source. We have a suite of framework-specific developer apps for tasks like packa

We write apps like this in Object Pascal using Lazarus. Think Delphi but open source. We have a suite of framework-specific developer apps for tasks like packaging deployments, managing common database tasks, onboarding new clients etc. They were written on Linux using Lazarus, then recompiled on MacOS and Windows as required. There are occasionally OS-specific variations for small pieces of these apps, but Object Pascal has inline compiler switches to make this easy to manage.