• PCL
  Features, Keypoints, Registration, Segmentation, sample_consensus (!), Surface, range_image,
• Could Compare
• PDAL / pointcloud.org
• Parsley
• CloudCompare
• MeshLab
• Space Software
• Blensor — simulates a pointcloud scanner
• smaller
  • Point Cloud Skinner, for Blender
• more

not completely related, but still useful

• example datasets @ stanford.edu