IT++数学、信号、通讯类库，Blitz++数学，Armadillo 线性代数，Dlib网络，线程，图形，数学，图像，数据挖掘/机器学习，XML等等

https://en.wikipedia.org/wiki/Blitz%2B%2B

https://en.wikipedia.org/wiki/IT%2B%2B

https://en.wikipedia.org/wiki/Dlib

https://en.wikipedia.org/wiki/Eigen_(C%2B%2B_library)

https://en.wikipedia.org/wiki/Armadillo_(C%2B%2B_library)

当然别忘了 SciLib，SciPy等等