I don't think so, but he used to have just the unit frames as oUF frames. I think they're called nibRealUI or something.
However, you could always install RealUI and just disable or uninstall the addons you don't want to use. Or go into the RealUI settings and disable the features you don't want to use. For example, if you want to use XLoot, you can just go to the RealUI settings > Advanced > Advanced Settings > Modules > Loot and disable it. Granted, there were some previous issues with XLoot showing a Bonus Roll window correctly with RealUI enabled, but that was awhile ago, and that's just one particular example. RealUI works flawlessly with most other addons.
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