- boost - portable C++ source libraries
- Cinder - library for professional-quality creative coding in C++
- Boost CVPR - Boost for Computer Vision
- Armadillo - linear algebra library
- Eigen - template library for linear algebra
- mlpack - scalable machine learning library
- dlib - general purpose cross-platform C++ library
- Shark - C++ machine learning library
- MLC - a library of C++ classes for supervised machine learning
- Machine Learning with C++ - a list of resources
- cppreference.com - a list of open source C++ libraries