Similar to Microsoft_Foundation_Class

Chisel (programming language)

Component Library for Cross Platform

Curses (programming library)

EISPACK

Flake (software)

FreeMat

GDAL

Gettext

GLib

GNU Multiple Precision Arithmetic Library

GNU Scientific Library

Gnulib

GnuTLS

GObject

Integrated Performance Primitives

JACK Audio Connection Kit

KDE Frameworks

Kdebindings

KDE Platform 4

Library of Efficient Data types and Algorithms

Less (style sheet language)

Libavcodec

LIBSVM

Libwww