Can I publish 360° virtual tours of real estate only?

Yes and no!

Klapty is an absolutely universal social network for all sorts of virtual tours: photos of holidays, tourism, real estate, work and construction, artists, companies, etc.

Whether it's a tropical complex, an apartment for rent, or simply a souvenir photo of family holidays, Klapty is open to everyone.

Here is an example of categories => https://www.klapty.com/explore?category=real-estate-sales-and-rentals