GENSI– Graphical Ego-centered Network Survey Interface –is a novel graphical tool that was developed to collect ego-centered network data. It was developed by Tobias Stark and Jon Krosnick [see Stark’s website and the article in the journal Social Networks ]
For my own research, I have extended the original software to be able to collect large personal networks (on 25 ‘alters’).
You can see a preview of my survey (in Dutch) here:
And you can do my survey here (in Dutch).