Hey Nuno,
I released a Houston -> Mackie Emulation yesterday.
I also created a patch, with which you can use the Houston as a normal generic Controller in Reaper or other DAWs:
https://forum.pdpatchrepo.info/topic...-pro-emulation
Reaper doesn‘t support Mackie control, as far as I know. But the Reaper community released extensions like this one:
https://forum.cockos.com/showthread.php?t=81818
Also check out the Steinberg Houston plugin for Reaper, also created by a Reaper community member:
https://forum.cockos.com/archive/ind.../t-101717.html
Cheers, Jeykey