OpenDSS is brought to you by EPRI, the architectural team behind this development and documentation is composed by the following contributors:

Roger Dugan. 

Tom McDermott (retired).

Davis Montenegro.

The development team around the tool who also provide support:

Wes Sunderman.

Andres Ovalle.

Celso Rocha.

Paulo Radatz.

Andrea Ballanti.

Adam Birchfield.

Jouni Peppanen.

Matt Rylander.

Julio Rodriguez.

Bob Arrit.

Gustavo Ramos (Universidad de los Andes).

There are multiple projects out there, some of them open source and others commercial. They have been developed and delivered to the community in different forms offering extended capabilities. If you are interested just type OpenDSS on your Internet browser or check on this summary of projects: