Hi Do you have a saas version? If yes how much Where can I test your system?

Yes, UltimateWB started offering Cloud plans this year: https://www.ultimatewb.com/cloud-website-builder . There is a 30-day free trial period. And you can also test out the UltimateWB website builder on our demos at https://www.ultimatewb.com/demolinks , no account or payment info required.

Please feel free to ask if you have any further questions.