I think there are a couple. There is an app on Roku called Fite. I also downloaded the app on my phone a year or so ago but deleated it. The only fight I've ever seen on it was the Paulie Malignaggi bare knuckle card, because my son-in-law wanted to see it. Mostly junk cards. I read you can watch Top Rank cards on there monthly for a small monthly fee. But when I checked, it said that option wasn't availalble in my area, which is weird because I live next to a large city. But on the Pluto app, which is free, (you can watch the Pluto app on your computer and also download the app on Roku) one of the the channels under sports is Fite ... and they regularly rerun DAZN cards - Joshua, Canelo, Golovkin, etc. - and on the Fite channel on the Pluto app, I watched a live DAZN card before the COVID stoppage happened. So I'm not sure if there are the same outfit or if one will sue the other soon for having the same name.
I just checked on Pluto and the channel is actually spelled FIGHT. They are showing Jacobs-Golovkin right now.