Dear friend, Someone who might know but not in the business.If they reveal their secret then how are they going to make money?
most of them develop software themselves, no one will ever want to sell it and it would cost a lot, there are many who sell software subscriptions, but most of them are a scam. What is the point of leasing something that already brings money?
Dear friend, Someone who might know but not in the business.
Thread moved to a more suitable sub forum but this is like asking the guys at KFC what is their winning formula for their coating, so you can replicate it and sell in competition.