I think https://anvil.works https://anvil.works belongs in your "Web based" category as well. (Although perhaps with the same note as Lazarus - fundamentally,

I think https://anvil.works https://anvil.works belongs in your "Web based" category as well. (Although perhaps with the same note as Lazarus - fundamentally, it's a [Python!] programming environment with a DB attached, rather than a DB with a programming environment attached.)