Proprietary Software

Many online casinos lease or purchase their software from well-known companies like Wager Works, Microgaming, Realtime Gaming, Playtech and Cryptologic in an attempt to "buy" their reputation on the software manufacturer's credibility. These software companies either use or claim to use random number generators to ensure that the numbers, cards or dice appear randomly.
Proprietary Software is a software developed on behalf of the online casino and is not leased to any other operator but the operator developed it specifically, It is recommended to check if the Proprietary Software have any good recommendations and external reviews by a certified Online Casinos Watchdog sites as well as checking about the software RNG.