TurboSquid

There are resources available gratis (price = 0$) that you can use in both personal and commercial projects. There are other restrictions (You do not have the rights to redistribute, resell, etc.), should check license.

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VizPeople Free stuff section

All resources available for download are royalty free for use in both personal and commercial projects. There are some restrictions (You do not have the rights to redistribute, resell, etc.), should check license.

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xoio-air

All resources available for download are royalty free for use in both personal and commercial projects. Other restrictions (You do not have the rights to redistribute, resell, etc.) may apply. License could be clearer.

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