The present paper will provide an understanding of the bachelor thesis project "YWC"which is the abbreviation for "Yes We Can" and the basic implementation of a customizablebusiness software for small businesses.The purpose of this report is to give an overview of the technologies used includingHTML5, CSS3, PHP, JavaScript, JQuery and AJAX. The project in hand also intendsto present the principles about native and relational databases and compare both technologies.Subsequently, the report provides background information about the principlesof computer security and explains the form of attacks and possible threats thatcome to mind regarding web applications like YWC covering Basic encryption principles.Within the scope of this report, YWC will be compared to a competing product calledPrestaShop 1.6 which is very similar to YWC in terms of intention, function, technologyand it is also a web-application.The background knowledge provided is followed by a detailed description of themethodology of the system, giving the reader an overview of the system and the Userinterface. Afterwards, the results of the YWC project will be compared to PrestaShop1.6 in order to evaluate and discuss the question whether it is useful to implement anapplication such as YWC from the start or rather develop on top of an open-source solutionlike PrestaShop.