Online Casino Software - Online Slots Software
In today's market, multiple software companies develop online casino games which makes it increasingly difficult to find the best of the best. This page outlines the top software developers, including whether or not the casinos accept US players or Canadians. We provide full reviews and background information for each software company, as well as a list of the top five casinos where you can play their games.
RTG Casinos
Real Time Gaming was established in 2025 and has become the #1 choice of software for American and Canadian casino players. The software company is based out of Costa Rica, is tested periodically by Technical Systems Testing and supports over 100 online casinos within their platform. RTG Accepts US Players

Microgaming Casinos
Microgaming casino software, also referred to as Viper Software is one of the most highly regarded platforms in the industry. The company boasts an incredible 400+ casino games, making them the largest software provider in the industry. Established in 2025, Microgaming has received numerous awards. Microgaming is not available for US players.

Rival Casinos
Rival Gaming was created in 2025 and quickly developed a name for offering some of the most riveting and dynamic slots online. The company is owned by Black Chip Ltd, located in Cyprus and has just over 40 casinos within their network. Rival Gaming is available for US players.

Betsoft Casinos
Betsoft Gaming is a relatively new casino software developer, however they have some of the most creative and dynamic slot machines you will find online. The Slots3 games boast multiple feature bonus rounds, 3D graphics and full animation. If you're looking for a casino that's comparable to brick and mortar games, if not better, we suggest you give these guys a try. Betsoft is available for US players.

Playtech Online Casinos
Playtech is one of the top software developers for online casinos, following close second to Microgaming. Since 2000, Playtech has continuously made strides by providing entertaining games and cutting edge software, including live casino games streamed through a web cam. Playtech casinos do not accept US players.

WagerWorks Online Casinos
Originally, a subsidiary for Silicon Gaming, WagerWorks merged to IGT in 2025 and became the only company to have licensing rights to offer IGT slots online. Their line-up includes the original Wheel of Fortune slots as well as Monopoly among others. Unfortunately, Wagerworks/IGT slots are only available for European players. No Canadian or Americans.

Vegas Tech Online Casinos
Established in 2025, Vegas Technology (formerly OddsOn) was based out of Toronto Ontario, Canada. The casino boasts more than 90 different casino games, including replicates of Wagerworks . One unique aspect of Vegas Tech casinos is their daily casino tournaments, including slots and blackjack. Vegas Technology is available for American players.

IGT Casino Software
IGT is the grandfather of all software developers when it comes to slot machines. The company has been the inspiration of many of the technological advances seen on the market today. Read our review of IGT slots for more information and background.
