Here is a list of assets that are already available publicly, the license used, and notes about their relevance to the ASWF Asset Repository working group.

OwnerAssetCategoryLicenseNotes
Disney Feature AnimationMoana Island Scene3DLicense for Moana Island SceneBSD-like with restrictions around using Disney & Moana names.
AutodeskHyperspace Madness3DCreative Commons Attribution 4.0 International Public License (CC BY 4.0)
NVIDIAORCA: Open Research Content Archive
Various (see "via ORCA" entries below)

Amazon

(via ORCA)

Amazon Lumberyard Bistro3DCreative Commons Attribution 4.0 International Public License (CC BY 4.0)

NVIDIA

(via ORCA)

NVIDIA Emerald Square City Scene3DCreative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported (CC BY-NC-SA 3.0)

SpeedTree

(via ORCA)

SpeedTree Trees3D

Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported (CC BY-NC-SA 3.0)


Epic Games

(via ORCA)

UE4 Sun Temple3D

Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)


Mike "BEEPLE" Winkelmann

(via ORCA)

BEEPLE Zero Day3D

Creative Commons Attribution 4.0 International (CC BY 4.0)


PixarUSD Sample Assets3D

USD ASSET END USER LICENSE AGREEMENT

(Click a download link to see the license text)


Epic GamesParagon Assets3D

Link to full license?

"Licensed for use only with UE4 based products."