If you're not an existing webCoRE user from ST, it is probably best to focus on using the built-in Hubitat Apps for now. webCoRE has caused some users' hubs to slow down.
ActionTiles only works with SmartThings. The developers of ActionTiles appear to be pretty content with their ST user base for now. There is currently no announced activity or plans for ActionTiles on Hubitat.
https://sharptools.io/ is a dashboard option with native Hubitat integration. It runs on a cloud web server, whereas the Hubitat Dashboard runs on your Hubitat hub. There are Pros and Cons to each approach, and there is nothing to stop you from using both.
Another option is HousePanel. You have to run in on another computer, like a Raspberry Pi.
