Biggest advantage of Open Source software is that the source code is open and available for everybody. Thanks to the fact that it is being developed by many volunteers from around the world usually it has good code quality. With such advantages, is perfect for business environments. Another advantage is the simplicity of management and distribution due to the lack of complex and expensive licenses. Such kind of software allows you to make changes to the software which can be adapted to user requirements.
Open Source is primarily a big saving for company but also stability of maintaining and high security.