The OpSource is not a software provider but they do provide applications over the Internet for companies that have software as web 2.0 applications and as a service. They help manage and deliver people’s or businesses software on demand. And they have many resources such as SaaS white papers. They also have a platform for the software company where it is very simple to tap into the other web services that are running on their platform. And they are truly one of a kind in this respect being the only complain that gives you a comprehensive solution like this. If this is something that interests you then check them out!