VNUML programs and documentation have been created by Fermín Galán and David Fernández. The VNUML installer is a contribution by Tony Prug. Casey T. Deccio has developed a lot of outstanding improvements for the 1.6.0 release. Esteban Martín and David Fernández have developed the knoppix based vnuml-liveCD.
Besides, several people has contributed to the project with good ideas, examples or helping to test and debug the tool: Jorge Lopez, Maria Jose Perea, Tomas de Miguel, Jose Luis Rubio and Antonio Tapiador from UPM; and Gabriel Lopez and Antonio Gomez-Skarmeta from Murcia University.