Telegram Messenger created by Pavel Durov, the founder of service called Vkontakte, is rapidly gaining popularity. Experts put the product in one row with the most famous similar services in the world. Telegram messenger is free and is designed for smartphones and other mobile devices that support the exchange of text messages. What differs this messenger from competitors' services is the possibility of confidential correspondence and simplicity, but some of the features that are available, for example, in WhatsApp and Viber messengers, are not available in Telegram.

In February 2016 messenger totaled 100 million users.

B2B-Service NGINX (B2B - «Business for Business." - Ed.) developed by a programmer Igor Sysoev also gained popularity. This web service helps to work in such high load sites like Facebook, Mail.Ru, VKontakte, Zappos, Groupon, Yandex, Opera, Dropbox and others.

To date NGINX managed to attract more than $41 million investment.

Prisma app that became popular among users of Instagram is also developed by natives from the USSR. With the help of this service amateurs turn their boring photos into a kind of paintings of Chagall and Munch (applying appropriate filters).

For the first time the application has been made available in the App Store in June 2016. During the first nine days Prisma was downloaded more than by a million people.

Looksery app which appeared in 2013 in San Francisco has Ukrainian roots. The creators of the startup and application came from the USSR. The main "trick" of the service is modification of streaming video in real time. Using specific filters the user can adjust the shape of the face, nose and eye color.

In 2015, the founders sold their service to the Snapchat company for $150 million.

The founder of the famous developer and publisher of games for smartphones and social networks called Game Insight is a Russian Igor Matzanyuk. The company was established in 2010. To date the bright representative of the gaming industry employs more than 800 people from around the world. Game Insight accounts for more than 45 games available in 24 languages.

One of the most popular dating networks in the world called Badoo is owned by Russian businessman Andrei Andreev, who has once created the equally well-known dating service called Mamba.

Currently the network has over 300 million users. Daily the service meets 400,000 new fans.

The Wargaming company founded by natives of Belarus takes a high position in the multiplayer online games market. It is involved in the creation of one of the world's most popular games called World of Tanks. Today this multiplayer game has attracted more than 100 million fans around the world.

Viber Messenger known to almost every owner of a modern smartphone has Belarusian and Israeli roots. Two years ago the service was purchased by Japanese Rakuten Inc for $900 million. Today the messenger is used by about 750 million people.

The project of well known photobank called Depositphotos has the Russian-Ukrainian origin. The microstock was created by a Russian Dmitry Sergeev who lived in Ukraine. Thanks to this project thousands of photographers have the opportunity to sell their works through the Internet. At the moment, the photo bank saves dozens of millions of images.

The developer and publisher of Zeptolab mobile games gave the world a popular game called Cut The Rope, different versions of which have been downloaded about 800 million times. The founders of the company are Mikhail Lialin and twin brothers Semyon and Efim Voinov.

Non-entertainment but still useful service called Wrike which helps you to plan all kinds of projects and to simplify the team work was established in 2006 by Andrei Filev. The product is popular with small and medium-sized companies. At the moment Wrike is being developed in the US and here the company is considered one of the best in this sphere.