Web clients that support Cockroachdb, allow ad-hoc queries?

Are there any good web-based tools that allow users to run ad-hoc queries (selects, updates, etc) on cockroachdb databases? I’m trying to grant query access to users and I would prefer not to support downloaded tools.

I’m thinking something similar to phpMyAdmin, but obviously not written in PHP.

FWIW, I’ve found that OmniDB works well for this, as long as you don’t upgrade beyond v2.11.