If you are in the US, you should definitely check out IG, that's where I have my money at and I've been pretty happy with them. If I lived outside the US I would probably go with Global Prime or Blueberry Markets, both of them based out of Australia. I've chatted with Global Primes customer service, they are very good and they have a good discord channel.
Here are some tips on how to choose a forex broker. Check the broker's reputation and review online. Explore the trading tools and platforms offered by the broker. Check the spreads, commissions, and other fees. Check out the demo accounts. This will give an idea about the platform Check how much the broker charges for deposits and withdrawals. Make sure your trading platform is compatible with the devices you use to access it