ZMDM is the only comprehensive MDM solution on the market that is 100% based on open source technology. The prerequisites to run ZMDM are
mySQL and Tomcat are standard free components of practically all public and private cloud platforms. ZMDM itself is a J2EE application that runs in Tomcat Servlet engine. All of the libraries that are used as part of ZMDM are 100% open source (typically Apache or MIT license). ZMDM is so efficient that it can even run on free tier virtual machines of AWS and Google Cloud Platform.