Actor is a C++11 actor model implementation featuring lightweight & fast actor implementations, pattern matching for messages, network transparent messaging, and more. by Dominik Charousset
AFIO is a linear scalable, batch, chainable, asynchronous closure execution engine extending ASIO and Boost.Thread specialised as a portable asynchronous file i/o implementation library. by Niall
Boost.Application provides a application environment, or start point to any people that want a basic infrastructure to build an system application on Windows or Unix Variants (e.g. Linux, MacOS). by Renato Forti
A GPU/parallel-computing library by Kyle Lutz
DI – Dependency Injection
Boost.DI is C++03/C++11/C++14 header only, type safe, library providing compile time, macro free constructor dependency injection. by Kris
boost.fiber provides a framework for micro-/userland-threads (fibers) scheduled cooperativly. by Oliver Kowalke
Boost.Hana is a library for heterogeneous computation both at compile-time and at runtime. by Louis Dionne
Metaparse is parser generator library for template metaprograms. The purpose of this library is to support the creation of parsers that parse at compile time. This library is inteded to be used for embedded domain specific language creation for C++. by Ábel Sinkovics
A mock object library by Mathieu Champlon
Safe Numerics
Safe replacements for C++ integer types. by Robert Ramey
A library of advanced macros which rely on variadic macro support and enhance the functionality of Boost PP by Edward Diener