Which studio develops the best slots? Which provider offers table and card games of the highest quality? Which developer provides models with the most colorful graphics and the most spectacular animation? Which brand releases video slots with original bonuses and unique prize features?

Best Online Gambling Software Providers

Casinoz has prepared a list of companies whose products are particularly in demand among online casino customers. It primarily includes famous studios with years of experience. However, our readers can find several recently founded software providers in the list.

The software of all the providers listed below has its drawbacks. And although the flaws fade compared to their numerous advantages, we can't help ignoring them so that our readers can choose software that perfectly fits their needs and preferences.

We enumerate all companies in random order. This list should not be considered a rating.


NetEnt has long been considered the leader in the online casino software market. Its games are tested by time, hundreds of casinos, and millions of users. It does not rest on laurels and constantly improves its products, expanding its portfolio with titles featuring unique options, modern designs, and user-friendly interfaces.

Over 170 gambling operators use NetEnt software. It won several prestigious awards.


  • Over two hundred top-class games in the portfolio;
  • Games of all popular genres;
  • Unusual gameplay features;
  • Progressive jackpots;
  • A NetEnt platform for live casinos;
  • Incredible design;
  • Licenses issued by several regulators;
  • eCOGRA certificates;
  • Numerous settings;
  • Frequent new releases.


  • Users may sometimes come across trivial games with banal features and boring topics;
  • Residents of many countries are not allowed to play NetEnt games.

It should be noted that some casinos offer pirated NetEnt software. We recommend that you should choose authentic titles.

Yggdrasil Gaming

The company has been releasing online gambling software since 2013. Therefore, it is much younger than many of the largest brands but has become a severe competitor. Currently, the models released by Yggdrasil Gaming are available at most leading multiplatform casinos, where they are in great demand among customers.

Several prestigious awards confirm the exclusive quality of Yggdrasil software.


  • Innovative gameplay features;
  • Vivid graphics and fantastic animation;
  • User-friendly design with various settings;
  • RTPs are above the average;
  • A wide selection of themes;
  • Intuitive control panel;
  • Licenses from several regulators;
  • Certificates from independent auditors.


  • Only video slots are available in the portfolio.

Yggdrasil does not frequently please its customers with new games, but each release becomes an important event.


The company is widely recognized as the leader among 3D video slot developers. Founded in 2006, the studio releases video slots with stunning 3D graphics. However, its portfolio is not limited to this category.

Online games of chance developed by Betsoft won almost all the famous awards and titles. Many titles caused revolutions in virtual gambling.


  • Excellent 3D graphics in slots;
  • An extensive portfolio;
  • Interesting topics of video slots;
  • Gambling games of different genres;
  • An opportunity to adjust various settings.


  • Games require high-performance PCs and high-speed Internet.
  • Betsoft does not release new games frequently.

The company does not seem to focus on classic gambling games of other types. The traditional table and card game list have not been updated for a long time.

Elk Studios

This is a newcomer in the online gambling software industry. The company has been releasing games since 2013. The hallmark of Elk Studios is unusual video slots that please users with a wide range of characters and functionality.

Elk video slots can be recognized at first glance thanks to the unique menu structure, built-in betting systems, and other special features.


  • Original design;
  • Amazing gameplay features;
  • Vivid characters;
  • Built-in betting systems.


  • The range of games in its portfolio is quite limited;
  • Video slots are available only.

We recommend testing all Elk Studios' products if you enjoy playing original slots. Each game will please customers with exciting characters, unique gameplay features, and colorful design.


This is a real industry giant that does not even need to be introduced. Every fan of online gambling is familiar with at least a few developments of this company.

In the portfolio of Microgaming, there are several hundred models of all popular genres, including a wide range of slots, numerous traditional video slots, different types of roulette games, blackjack, poker, video poker, scratch cards, etc.


  • A wide range of games of all categories;
  • Popular games of different genres;
  • The largest progressive jackpots in online gambling;
  • Innovative solutions in the design and gameplay;
  • Intuitive interface with convenient options;
  • Licenses issued by the leading gambling regulators;
  • Certificates provided by well-known auditors.


  • Same-type titles are sometimes released;
  • Some games are not available in certain countries.

We want to add that many casinos offer download-based and web-based games of chance developed by Microgaming.


This is another leader in the industry. Playtech was one of the pioneers in developing Internet gambling software and achieved impressive success in this segment.

Hundreds of beautiful slots, dozens of various table and card games, as well as unique types of gambling games are popular among millions of users all over the world.


  • A wide selection of slots and models of other genres;
  • Popular series of games (for example, based on comics, etc.);
  • Excellent graphics and vivid animation effects of new games;
  • Download-based and web-based versions;
  • Progressive jackpots.


  • Many games cannot be tested for free;
  • Access to games is restricted in some countries.

Although Playtech has been outcompeted in recent years, it remains one of the leaders of the online casino software industry.


Models of iSoftBet are somewhat inferior in popularity to the developments of most brands available in our list, but they are worth paying attention to.

The studio releases high-quality, fascinating and non-trivial gambling games. Many of them are characterized by unusual designs and original gameplay features.


  • A pretty extensive portfolio with games of several categories;
  • Excellent brand slots (based on cult films, etc.);
  • The governments of several countries license software;
  • Impressive and distinctive design with vivid animation;
  • Intuitively understandable interface.


  • A limited range of card and table games;
  • Releases of new games are rare.

It is important to note that iSoftBet video slots are characterized by high payout percentage levels.


The company has gained popularity among Internet casino customers thanks to its spectacular video slots with unusual features. Games released by Quickspin are colorful, exciting, and not similar to each other (not to mention the software of other brands).

Free spins, respins, various types of jokers, different bonuses, and prizes please customers in all products released by the studio.


  • Original topics of video slots;
  • Eye-catching characters;
  • Unique features;
  • Interesting findings of designers.


  • Only video slots are available in the portfolio;
  • A relatively small range of games;
  • New releases are rare.

Even if you have tested hundreds of models of different brands, the Quickspin slots will surely surprise you. The company employs creative specialists, so you should prepare for pleasant surprises.

NextGen Gaming

This well-known software manufacturer relies on fans of colorful video slots with spectacular animation effects. So, they are appreciated by representatives of the younger generation.

The gameplay is beyond any claims. Bonus betting systems, unusual prize draws, unique free spins, and different types of symbols are the significant advantages of NextGen Gaming video slots available to users.


  • Vivid games;
  • Interesting topics;
  • Original options;
  • Exciting gameplay.


  • Glitches can occur on PCs with reduced performance;
  • Only slots are available in sufficient amounts;
  • The portfolio is rarely updated.

NextGen slot machines are attracted by colorful graphics and powerful animation effects, although the selection of prizes and bonuses in the models released by the company will not disappoint customers. A significant advantage is the relatively high RTP levels in almost all games developed by the company.

Play'n GO

Developers from Play'n GO can boast excellent fantasy. They can choose an unexpected topic for a slot and come up with non-trivial game features.

The studio releases card and table games, various versions of video poker, scratch cards, and other gambling games for online casinos.


  • An impressive range of games of various genres;
  • Original gameplay features;
  • Functional interface with numerous options;
  • New models are frequently released.


  • Amazing graphics and animation characterize not all games.

RTP parameters of video slots and other games of chance developed by Play'n GO are average.


Perhaps this is the least-known developer among the companies mentioned in our review. Its portfolio contains only a few models, each of which is a small masterpiece.

Before criticizing us for including Rabcat in the list of the best software providers, try to play any of the two editions of the Castle Builder video slot.


  • Innovative multi-level slots;
  • Interesting topics;
  • Excellent design;
  • Permanently exciting and diverse gameplay.


  • Only several games are available in the portfolio;
  • New slots are rarely released.

We are pleased to inform you that Rabcat is actively developing, and its games are available at many casinos.


Experts of Casinoz are testing all the novelties of the brands mentioned above. As soon as any developer uploads a demo version of the slot on its website or launches it at an online casino, we immediately test it and write a review. The articles cover the model's features, including rules, bonuses, interface features, options, etc.

Under the reviews, you can share your opinion about the slots. The most exciting novelties are actively discussed on the forum of Casinoz. Join the conversations.

If you find the article subjective, it's true. You may have another opinion.

Do you think that we undeservedly deprived some developers of attention? Write about this fact in the comments. Feel free to remind us of the pros and cons of the software companies that we have forgotten to mention. We encourage you to tell us about the brand games you like the most.

We are interested in your feedback.

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