• Graphviz
  Graphviz is open source graph visualization software.
  drawing graph graphviz layout network visualization
  in Software > tools with graph opensource visualization by 8 users
• John Resig - Processing.js
  I've ported the Processing visualization language to JavaScript, using the Canvas element.
  in Software > tools with javascript language visualization by 2 users
• Kitware Inc. - leading edge, high-quality software
  Kitware, Inc. creates and supports leading edge, high quality software in the fields of computer vision, medical imaging, visualization, 3D data publishing, and technical software development. Kitware employs an open source development model to foster extended, collaborative communities, and an open source business model to provide flexible, low-cost technical solutions.
  in Software > tools with 3d imaging opensource visualization
• Many Eyes
  View your data, ask questions, and share your discoveries. Harness the collective intelligence of the net for insight and analysis.
  in Web with collective data intelligence visualization
• Processing
  Processing is an open source programming language and environment for people who want to program images, animation, and interactions. It is used by students, artists, designers, researchers, and hobbyists for learning, prototyping, and production.
  in Software with language opensource programming visualization by 9 users
• VisitorVille
  Bring Your Web Site Traffic To Life!
  in Software > tools with 3d site traffic visualization web by 3 users
• webMathematica
  Add Dynamic Computation and Visualization to Your Website
  in Science > Reference with computation math visualization web wolfram

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