GrandNode is open source e-commerce software based on ASP.NET Core 2.2 and MongoDB. We want to meet customers' requirements for stability and speed of the online store. According to the needs of the most demanding customers we decided to change engine of nopCommerce to achieve maximum performance, usability and safety. The availability of source code guarantees the safety which does not provide any paid software. People who choose to take advantage of GrandNode receive easy to use, flexible, free, fit and ready to use software.