Geometry Processing

[VVingerfly]

https://github.com/avaxman/Directional
A library for Directional Field Synthesis, Design, and Processing.

[VVingerfly]

https://github.com/adobe/lagrange
Project Lagrange is an initiative to bring the power of robust geometry processing to Adobe products.

[VVingerfly]

https://github.com/cutdigital/mcut/
Fast & robust mesh boolean library in C++

[VVingerfly]

https://github.com/rohan-sawhney/fcpw
fast distance and ray intersection queries

[VVingerfly]

https://github.com/jbikker/tinybvh
Single-header BVH construction and traversal library.