[jph00]

Doesn't Anvil force you to run stuff on their proprietary service however -- which costs money? (I'm not saying that's not a good option for some people, but it's very different to an open source framework you can run anywhere.)

[troymc]

"The runtime engine that powers Anvil’s app hosting is open source. This means you can host your app anywhere..."

Source: https://anvil.works/open-source