The GridSpice software package consists of 3 repositories:

gridspice.simulator - The simulation software which is based on Gridlab-D, but also includes features for demand response and wholesale power simulation.
gridspice.webserver - Web Server which spawns simulations sent through the interface, collects, and returns results
gridspice.interface - UI Code for building / editing models


To access these repositories, please select the repository from the drop down menu in the "source" section.