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Welcome to Boost.org!

The Boost web site provides free peer-reviewed portable C++ source libraries. The emphasis is on libraries which work well with the C++ Standard Library. One goal is to establish "existing practice" and provide reference implementations so that the Boost libraries are suitable for eventual standardization. Some of the libraries have now been proposed for inclusion in the C++ Standards Committee's upcoming C++ Standard Library Technical Report.

Although Boost was begun by members of the C++ Standards Committee Library Working Group, membership has expanded to include nearly two thousand members of the C++ community at large.


If you are interested in becoming a member of Boost, please do so by joining our main developers mailing list.  Discussions include both technical and site-related issues, and members are encouraged to participate in formal reviews of proposed libraries.

Latest News

November 3, 2001 - Version 1.25.1

  • Boost Build System: Continued improvements.
  • Config Library: Continued refinements.
  • Function Library: direct support for member function pointers and documentation updates.
  • Boost-Users mailing list has been created to address topics of interest to users of Boost libraries.
  • Boost Wiki web added. Provides a place for Boost users to openly discuss and document the use of Boost libraries. It is not officially maintained by Boost developers.

October 1, 2001 - Version 1.25.0

  • Thread Library added. Portable C++ multi-programming at last, from William Kempf.
  • Base From Member added to Utility Library. Support for the base from member idiom, from Daryle Walker.
  • Bind and mem_fn added - Generalized binders for function/object/pointers and member functions, from Peter Dimov.
  • Array Library: Minor updates, from Nico Josuttis.
  • Config Library: major redesign with much improved and automated configuration of Boost libraries for specific compilers, from John Maddock.
  • Random Number Library: Fixed bug when copying normal_distribution and improved the documentation, from Michael Stevens and Jens Maurer.
  • Special functions, octonions, quaternions updated, now useable with many more compilers, plus three new special functions, from Hubert Holin, Eric Ford, and others.
  • Tokenizer Library: fixes/enhancements to escaped_list_separator based on empty fields and tokens comments from Johan Nillson and Jens Maurer.
  • Coming Soon - A mailing list for Boost users!

August 19, 2001 - Version 1.24.0

  • Tuple Library added. Tuples ease definition of functions returning multiple values, and more, from Jaakko Järvi.
  • Minor fixes to some other libraries.
  • Boost Build System added. Preliminary release of an innovative build system for Boost libraries, from Dave Abrahams and others.
  • Formal Review Schedule added. Shows current, future, and recent past review dates.

July 6, 2001 - Version 1.23.0

  • Any Library added. Safe, generic container for single values of different value types, from Kevlin Henney.
  • Function Library added. Function object wrappers for deferred calls or callbacks, from Doug Gregor.
  • Tokenizer Library added. Break a string into a series of tokens, from John Bandela.
  • Special functions, octonions, quaternions added, from Hubert Holin.
  • Smart Pointer Library: shared_ptr polymorphic pointers now work on more broken compilers.
  • IBM/Aix Compiler status table contributed by Toon Knapen
  • Minor fixes to a number of other libraries.

Revised 02 November 2001