MaxTrax, Treds and Action Trax. I think there is one other I can't think of off hand.
For me, traction boards aren't a do-all option, but they are a tool in the recovery toolbox.
I'm in the PNW, so I'm not in sand and rarely in mud. I am often trying to make it across rocky/gravelly washouts and they serve more of a 'bridging' role than traction.
I wouldn't bother with the cheap ones - I've seen very variable results on them ranging from they broke the first time I used them to, they last 3 or more times before coming apart.
I think if I recall that action trax ripped off maxtrax design, so I bought maxtrax on principle. Not sure if it was true.
For all trips, I carry a kinetic strap, tow strap, many soft shackles, a couple of D shackles, a few tree savers/bridle straps and a drain spade. It's light and compact to bring that stuff along. Oh, and a bottle jack and some good wood for cribbing/blocking. (The traction boards work as a base too for the jackall / bottle jack)
Then depending on the trip and time of year, along come the jack all, traction boards, and sometimes an industrial 4T come along. I go to some pretty remote places on my own and if I can't self rescue I'm pretty hooped. I also made up a 100' length of synthetic winch rope with an eye on each end. Works with the jack all or come along in spots where it's difficult to get to a good anchor. It could be used for a pull, but it would need to be slow and steady, not a dynamic one.
probably TMI