If you like these, might I also suggest some other fascinating visualizations of...

joshuaxls on Jan 27, 2009 | parent | context | favorite | on: Ruby Swarms: Visualizing Rails & Git

If you like these, might I also suggest some other fascinating visualizations of the commit history of Python, Eclipse, Apache, and PostgreSQL: http://vis.cs.ucdavis.edu/~ogawa/codeswarm/

Link takes you to the homepage of the original author of code_swarm.