Platform independent C++ component framework similar to Java or .NET (reflection, threading, Unicode, garbage collection, io, net, util, xml, etc.) with integration of Java, Perl, Python, Tcl, Lisp, COM and CORBA. [Open source, LGPL or Qt Public License]

A collection of algorithms, containers, iterators, and other fundamental components of every piece of software, implemented as C++ classes, templates, and functions essential for writing C++ programs. The goal is to provide a free implementation of th...

Includes a list of available C++ libraries, both public domain and commercial.

Provides the generic mathematical components that will allow programmers to more rapidly construct applications that model biological entities.

A C++ classes library implementing bitvectors with several types of on-the-fly, adaptive compression. Can be used in databases and search systems. [Open source, MIT License]

A simple alternative to the STL plus portable multithreading and networking. Compiles under modern Unix and Windows systems. [Open-source, zlib-like license]

String and character manipulation library for Windows and various gcc-supported platforms. Provides highly optimized code, with support for multithreaded environments and Unicode. Regular expressions support. [Shareware, full-featured evaluation versi...

A collaborative effort to develop a robust, easy to use, and efficient C++ software library of geometric data structures and algorithms.

A static libraries for Visual C++ and C++ Builder developers: zip, e-mail, encryption, S/MIME, XML.[Shareware]

An open source numerical library for mathematician, engineers and scientists who work in C++. Users can donate or licence (for commercial uses) their own code, request components, or bid to develop requested components.