OpenMesh
A generic and efficient data structure for representing and manipulating polygonal meshes.
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libigl
A simple C++ geometry processing library.
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CGAL
A C++ library that provides easy access to efficient and reliable geometric algorithms.
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PointNet
A unified architecture for applications ranging from object classification, part segmentation, to scene semantic parsing.
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FAST
Cocoa and GLUT applications wrapping the Skinning class for prototyping linear blend skinning and other real time deformations methods.
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More software will be updated