Are there any plans on integrating SDKBOX?

[Pkeod]

Look at Enhance or Appodeal

Enhance - Defold Native extension for over 30 SDKs

Our extension gives Defold users access to tons of SDKs, so you no longer have to wait for the native extensions to be built for each SDK that you want to use. Our technology makes it possible to implement any SDK that we support by just checking a box. You just need to implement our very simple extension into your project, then future SDKs or updates can be implemented in a few clicks. We currently have support for advertising, analytics, mediation, attribution, and some other SDK types - you…

Appodeal is partially implemented already

If there are SDKs you need mention them and maybe their devs would be willing to put the time into making a Defold version.