• http://xanadu.com/zigzag/
• http://fals.ch zigzag-like intertwingler
• open version → http://www.freesoftware.fsf.org/gzz/ (formerly: http://gzigzag.org ( and since closed under patent duress. see FenFire)
• code for perl version ?+
• a graph theoretic introduction http://www.dgp.utoronto.ca/~mjmcguff/research/zigzag/
• “It is a sad story. It is an infuriating story.” » http://lambda-the-ultimate.org/node/233#comment-1715

related nodes: Xanalogical Media, FenFire