I read a while back that building GUI in Panda3D can be done in two ways.
The first being the Rocket library
The second being panda’s main GUI element (DirectGUI)
The problem I’m currently having (with DirectGUI that is) is trying to make the organization and positioning process a whole lot easier for the creative part of my team. It became even more difficult when the second “alternative” had quite sparse documentation.
I personally think the DirectGUI would really benefit from an update to the design process and to its overall flexibility in relation to performance.