After all, if a company considers a product created by one of its competitors so good that it wants to use it, so be it. Today, system integrators use the same commercial products. This is a profitable policy and they are the first to master their products. Also, if a company wants a newly released product to become a success story, it is in the company's best interest to be directly involved in the project. ISVs are not represented as a distinct category because they are somewhere between traditional software vendors and system integrators.
System integrators integrate software, add value and create new final products.
From the customer's point of view, Open Source and proprietary products do exactly the same job. The key points of using OSS are outlined above. The level of involvement may vary depending on the interest of each party, but none of these players can ignore the Open Source Software phenomenon. If end users want to be able to choose from the many solutions, they have to keep up with the leading OSS and understand their new mechanisms. End users are not required to invest directly in a product's development, but they do have the opportunity to do so if they would like.