...It's totally abstract of used data and can use as storage: file system, database, version control systems, etc. The project's goal is to provide powerful, but yet simple to use for inexperienced user and report designers, reporting system.
It is supposed to be a product that combines eXaro ideas from Qt world and FastReport functionality from Delphi world and brings the best of them to C++/Qt world and then shares it with Python, Ruby, Perl developers using bindings.
СuteReport also has a commercial version. Read about it on the official web site.