An efficient and simple to use Binary Decision Diagram (ROBDD) package for C and C++.

Integrated C++ Foundation Libraries, including Inti::GTK, a C++ GTK+ binding (No longer an active project).

Class libraries for developing network-centric, portable applications in C++. The classes cover functionality like threads, thread synchronization, filesystem access, streams, shared libraries and class loading, sockets and network protocols, as well ...

A simple, portable and lightweight library for handling UTF-8 encoded strings in C++. [Open Source]

Parameter handling library. Extendable, type-safe, non-intrusive, object-oriented tool for general-purpose object serialization in C++. Good for parsing command-line parameters, cross-program and cross-platform communication, object streams, and as a ...

An extensible cross platform library for parsing mathematical expressions.

A C++ library that provides fast, type-safe, localised formatting of string elements, optionally using resource-based format strings. [Open Source, BSD]

A class library for Lisp programming within a C++ project using existing C++ translators. [Open source, GPL]

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 library for developing portable applications that deal with networking, threads (message passing, futures, etc...), graphical interfaces, complex data structures, linear algebra, machine learning, XML and text parsing, numerical optimization, or Bay...