SemaSpace is a compact graph editor and browser for the construction and analysis of knowledge networks. The program was specially designed for the fast, interactive manipulation of very large networks.

SemaSpace was first released in 2004 and actively developed until 2010 by Dietmar Offenhuber & Gerhard Dirmoser.

the 2004 homepage

the source code of the program

more description on the LBI homepage

Ludwig Boltzmann Institute for Media Art Research