Speex is a patent-free audio compression format designed for speech.

C++ Threads library provides process scoping, a feature that has been greatly missed in the linux community.

UDS Collection is a C++ library that assists you while developing and debugging programs.

Vstr is a string library, designed so you can work optimally with readv()/writev() for input/output.

1 - WB library is a disk based, sorted associative array C library.

Xbase is a collection of specifications, programs, utilities and a C++ class library for manipulating Xbase type datafiles and indices.

Yed library contains objects that handle XML files, FTP connections, file system operations and so on.

ZThread is an advanced platform-independent, object-oriented threading and synchronization library.

App Library is a preprocessor for C++ that accepts as input arbitrary C++ code that may contain embedded constructs for specifying algebraic data types.

Boost emphasizes libraries that work well with the C++ Standard Library.

Botan is a BSD-licensed crypto library written in C++.

C++ Sockets Library is a C++ class library wrapping the berkeley sockets C API.

CImg Library is an open source C++ toolkit for image processing.

GNU Common C++ is a portable and highly optimized class framework for writing C++ applications that need to use threads and support concurrent sychronization.

dimnum library contains templated C++ classes for storage and manipulation of numbers.

dbg library is a set of C++ utilities to facilitate modern debugging idioms.

libferris makes the file system and other hierarchical storage systems easier to use.

HFLOAT library helps you to deal with fast computations with very long floating point numbers.

hk_classes is C++ library which allows rapid development of database applications with all features a modern database application should have like forms an reports.

LibSysCTr is an utility library that can be used to intercept system call functions on a Linux system.

libxcpc library implements an automatic resource cleanup and exception handling in C.

LibXDiff implements basic and yet complete functionalities to create file differences/patches to both binary and text files.

Log4c is a library of C for flexible logging to files, syslog and other destinations.

MPFR library is a C library for multiple-precision floating-point computations with correct rounding.

GNU Nana is a free library providing improved support for assertion checking (as in assert.h) and logging (printf style debugging) in GNU C and C++.