uCoz — is a unique content management system and hosting for sites created with its use. Modules uCoz can be used both as a team to create a fully functional site, or separately, such as blogging platform, web forums, etc. At this point in the system created more than 800,000 sites. uCoz.ru is at 14-m place the most popular sites among Russian sites according to Alexa Internet, and is popular on the Internet. The formulation of the service was originally founded combined experience of several of its developers, which is expressed in previous work on service and voting service is free guest books, as well as script CMS WoCatalog Pro price was about $ 200 ~ 400 for a single license as it is written in Perl. After nearly a year Development, October 29, 2005, the Russian-language version of the service saw the light. In June 2007, was officially opening of the English version, and in August - the alpha launch of the German. Today, versions are also available in Spanish, French, Hungarian, Ukrainian and Arabic.