Free portable resource for C++ libraries

Boost C++

  is a portable C++ software library. They work well with the C++ Standard Library as they can be used in a wide array of applications and are compatible with a broad range of programs. Any Boost license encourages you to use Boost libraries as they’re easily accessible to users and have minimal restrictions. Experienced users will see that this program serves as a reference for implementation. This will make it easier for the eventual standardization.