interpolation
1. https://github.com/adrelino/interpolation-methods
2. https://github.com/ebertolazzi/Splines
3. https://github.com/chen0040/cpp-spline
4. https://github.com/CD3/libInterpolate
5. https://github.com/parsiad/mlinterp
6. https://github.com/yuki-koyama/mathtoolbox
7. https://github.com/bgrimstad/splinter
bezier
1.https://github.com/ros-industrial-consortium/bezier
2. https://github.com/oysteinmyrmo/bezier
3. https://github.com/HKUST-Aerial-Robotics/Btraj
Online Safe Trajectory Generation For Quadrotors Using Fast Marching Method and Bernstein Basis Polynomial, Fei Gao, William Wu, Yi Lin and Shaojie Shen, IEEE International Conference on Robotics and Automation (ICRA), 2018, Brisbane, Australia. full text