There are lots of choices out there, but if you are thinking about opening a crossfit or daily-workout type of gym, the choices are far fewer, especially if you want to invoke competition among members and store history of workout results. I’m biased toward RxGYMsoftware as I’ve been a user for over 6 years! They have grown as the crossfit community has grown and both myself and our members love it.
It’s very affordable and includes everything for one price. No add-ons or upsells.
If you are thinking of opening (or already opened) a fitness facility more like “one size fits all” then RxGYMsoftware is not for you.
Best of luck!