Only a few Internet casinos use their own proprietary software. Most casinos license their software from one of the companies listed below. Click the link for more information on each company, and to find out which online casinos use their software.

• Access (3)
• Boss Media (35)
• Chartwell (7)
• CryptoLogic (31)
• Diamond Games (4)
• Dot Com Entertainment Group (8)
• First Multimedia Group (0)
• Gambling Software (24)
• GamingLogix (3)
• Global Entertainment (1)
• GoldPlay (2)
• Grand Virtual (6)
• Handa-Lopez (6)
• iCrystal (2)
• iGlobalMedia (11)
• Innoco (0)
• IQ-Ludorum (26)
• Max Skyweb (23)
• Microgaming (84)
• Multi-Effective (0)
• Net Entertainment (4)
• OddsOn (6)
• Online Gaming Systems (1)
• Playtech (34)
• Proprietary (19)
• Radiate (5)
• Random Logic (5)
• RealTime Gaming (37)
• Total Entertainment (3)
• Unified Gaming (24)
• World Gaming (formerly Starnet) (176)
• World Net Gaming (4)