a component system that will provide extensibility and re-usability both inside and between applications, while being portable across platforms (and languages) and having the lowest possible overhead (both in machine resources and programming effort).
an open-source C++ library which strives to make C++ easier to use as a "high-level" language, and emphasizes programmer productivity over the fastest possible code.
peer-reviewed and portable C++ source libraries. The libraries are intended to be widely useful, leveraging and extending both the C++ Standard Library and the Boost Libraries.