GLib is a general-purpose utility library, which provides many useful
data types, macros, type conversions, string utilities, file utilities,
a main loop abstraction, and so on.

Glibmm is the official C++ interface for the popular cross-platform
library Glib. It provides non-UI API that is not available in standard
C++ and makes it possible for gtkmm to wrap GObject-based APIs.

Gnome-common includes files used by to build GNOME and GNOME applications.

The gnome-doc-utils package is a collection of documentation utilities
for the GNOME project. Notably, it contains utilities for building
documentation and all auxiliary files in your source tree. It also
contains the DocBook XSLT stylesheets that were once distributed with
Yelp.

This package provides scripts for collecting strings changed in RPM
patches and merging them to one translation compendium.

GNOME VFS is the GNOME virtual file system. It is the foundation of the
Nautilus file manager. It provides a modular architecture and ships
with several modules that implement support for file systems, HTTP,
FTP, and others. It provides a URI-based API, a back-end supporting
asynchronous file operations, a MIME type manipulation library, and
other features.

The goal of the project is to describe the APIs and collect them in
a uniform, machine readable format.

A collection of GSettings schemas for settings shared by various
components of a desktop.

Gtkdoc is a set of Perl scripts that generate API reference
documentation in DocBook format. It can extract documentation from
source code comments in a manner similar to Java-doc. It is used to
generate the documentation for GLib, Gtk+, and GNOME.

GTK+ is a multi-platform toolkit for creating graphical user interfaces.
Offering a complete set of widgets, GTK+ is suitable for projects
ranging from small one-off projects to complete application suites.

GTK+ is a multi-platform toolkit for creating graphical user interfaces.
Offering a complete set of widgets, GTK+ is suitable for projects
ranging from small one-off projects to complete application suites.

GtkGLExt is an OpenGL extension to GTK. It provides the GDK objects
that support OpenGL rendering in GTK and GtkWidget API add-ons, to make
GTK+ widgets OpenGL-capable.

Gtkmm provides a C++ interface to the GTK+ GUI library. gtkmm2 wraps
GTK+ 2. Highlights include typesafe callbacks, widgets extensible via
inheritance, and a comprehensive set of widget classes that can be
freely combined to quickly create complex user interfaces.

HarfBuzz is an OpenType text shaping engine.

This is the default fallback theme used by implementations of the icon
theme specification.

ITS Tool extracts messages from XML files and outputs PO template files, then
merges translations from MO files to create translated XML files. It determines
what to translate and how to chunk it into messages using the W3C
Internationalization Tag Set (ITS).

JSON is a lightweight data-interchange format.It is easy for humans to
read and write. It is easy for machines to parse and generate.

JSON-GLib provides a parser and a generator GObject classes and various
wrappers for the complex data types employed by JSON, such as arrays
and objects.

JSON-GLib uses GLib native data types and the generic value container
GValue for ease of development. It also provides integration with the
GObject classes for direct serialization into, and deserialization from,
JSON data streams.

Libart is a library for high-performance 2D graphics. It is currently
being used as the antialiased rendering engine for GNOME Canvas. It is
also the rendering engine for Gill, the GNOME Illustration application.

Bonobo is a component system for the GNOME platform. Libbonobo is the
new version for the GNOME 2.x Desktop platform.

This library contains the Bonobo-related part of the GNOME UI
libraries.

libcanberra is an implementation of the XDG Sound Theme and Name
Specifications, for generating event sounds on free desktops, such as
GNOME. It comes with several backends (ALSA, PulseAudio, null) and is
designed to be portable.

Libcroco is a stand-alone CSS2 parsing library. It provides a low-level
event-driven SAC-like API and a CSS object model-like API.

libESMTP is a library to manage posting (or submission of) electronic
mail using SMTP to a preconfigured Mail Transport Agent (MTA) such as
Exim. It may be used as part of a Mail User Agent (MUA) or another
program that must be able to post electronic mail but where mail
functionality is not that program's primary purpose.

This library allows you to load Glade interface files in a program at
runtime. It does not require that you use Glade, but Glade is the
easiest way to create the interface files. For an idea of how to use
the library, see the documentation, especially
/usr/share/doc/packages/libglade/test-libgladee.c and the glade-xml.h
include, which is in the libglade package.

This package contains the basic libraries for the GNOME 2.x Desktop
platform. GNOME has no specific window manager. You are totally free in
your choice. Many GNOME users like Sawfish, Enlightenment, or IceWM as
a window manager for GNOME (see those packages).