Release 1.57.0 of the Boost C++ Libraries is now available.
These open-source libraries work well with the C++ Standard Library, and are usable across a broad spectrum of applications.
The Boost license encourages both commercial and non-commercial use.
This release contains no new libraries and numerous enhancements and bug fixes for existing libraries.
For details, including download links, see http://www.boost.org/users/news/version_1.57.0
You can also download directly from SourceForge: http://sourceforge.net/projects/boost/files/boost/1.57.0/
To install this release on your system, see http://www.boost.org/doc/libs/release/more/getting_started/index.html
Thanks,
--The Boost release team
  Vladimir Prus
  Rene Rivera
  Marshall Clow
  Eric Niebler
  Daniel James
  Beman Dawes 

The corresponding windows binaries for msvc-8.0 (SP1), msvc-9.0 (SP1), msvc-10.0 (SP1), msvc-11.0 (Update 4) and msvc-12.0 (Update 3) in 32 & 64 bit versions are now also available from sourceforge.

https://sourceforge.net/projects/boost/files/boost-binaries/1.57.0/

Tom Kent