Can’t go wrong with EC4, but depending on your further setup and personal style, have a look at SC4, UC4, etc.

Also, for specific use cases, you might be fine with ‘MIDI loopback’. (threads in this forum)
For example, controlling multiple tracks/parameters with one encoder…

P.S. And if you can get a used one cheaply, a BCR2000 (not by faderfox) is very good at controlling stuff.

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