A lot of online casino use gaming software that are created and maintained by third party suppliers. They then make a license to the casinos. Same thing is applied to poker rooms. With this, we now have a lot of software platforms.
You will know which software powers casino by searching on different casino websites. Each casino has online casino games link. This will allow you to see the previews of each game.
In some cases, if you cannot identify the casino software used, do a search on Google and it will eventually show the related results. However, for online gambling security purposes, some casinos made their own software.
Indeed, there are several software platforms that are used in online casinos nowadays. There are softwares which are strong, okay and not so strong. They are categorized based on the reputation they created. However, for strong softwares, the software providers are being strict in terms of purchasing and maintaining the license intended for the software.
I could say that gaming software is the most important component of online gambling because without these softwares, there is no gaming in the first place. There are many gambling software providers but only a few gaming programs are considered reliable.