Ease definition of functions returning multiple values, and more.

A new infrastructure for generic algorithms that builds on top of the new iterator concepts.

Library for working with tuples, including various containers, algorithms, etc.

The Boost Exception library supports transporting of arbitrary data in exception objects, and transporting of exceptions between threads.

Portable C++ multi-threading. C++03, C++11, C++14, C++17.

A collection of useful generic algorithms.

The Boost Multi-index Containers Library provides a class template named multi_index_container which enables the construction of containers maintaining one or more indices with different sorting and access semantics.