I’m personally a fan of products like this especially for early product development before there is a dedicated UI engineer on a team, I think it’s perfectly fair to pay a small amount of money like this.

I’ll give you the same feedback as I gave the chakra UI people in regards to the commercial use policy: Be explicit on whether redistribution in form of on-prem products is ok or not, it’s unclear (to me) in the current messaging. Best to explicitly call out, something like “use in your SaaS and on-prem product as well as internal systems”.

Edit: formatting