Toast uses SSL. So does Stripe (https://stripe.com/) and so does Square (https://squareup.com/us/en/payments). Everybody, without fail now uses HTTPS (SSL), they really do. That ship sailed. If you use the Chrome web browser, anything not serving up puppy pictures over HTTPS says "Not Secure" for the last HALF DECADE. If you google "PCI compliance" it's literally THE LAW that it is required for handling... Source: about 1 year ago

Have you tried Square? https://squareup.com/us/en/payments. Source: over 1 year ago

Well, that is precisely the competition that Apple is trying to eliminate. If you look at Square, the company alluded to in the article, they are probably the largest PoS hardware and software provider in that space. Apple is trying to eliminate the need for a separate device by developing software that leverages on existing available hardware that they sell. It’s a pretty good idea. But, as I’ve said, the use... Source: over 2 years ago

I haven't sold any of my software I made as side projects. But that's mainly because I was doing it for fun and wasn't planning to make money from it. But if I did, perhaps I might add a "registration code" scheme like shareware software would often do, and if someone decides to pay for it, they'd get a registration code which would unlock more features in the software (which would probably require a... Source: over 2 years ago

Here is one but not for equities https://tradinglite.com/. Source: about 3 years ago

I saw some of the members of this community are using https://tradinglite.com/ to scan for sell walls, also in the past. Something called trading x-ray. Source: about 3 years ago