Calls can make and answer phone calls using different backends, such as ModemManager for phones and SIP for VoIP.

Blueprint is a markup language for GTK user interfaces. Internally, it compiles to GTKBuilder XML.

GnomeVFS is the core library used to access files and folders in GNOME applications. It provides a file system abstraction which allows applications to access local and remote files with a single consistent API.

A collection of GStreamer video filters and effects to be used in photo-booth-like software, such as Cheese.

GSound is a small library for playing system sounds. It's designed to be used via GObject Introspection, and is a thin wrapper around the libcanberra C library.

The GHex program can view and edit files in two ways: hexadecimal or ASCII. It is useful for editing binary files in general.

GThumb is an image viewer, browser, organizer, editor and advanced image management tool

File Roller is an archive manager for the GNOME desktop environment that allows users to view, unpack, and create compressed archives such as gzip tarballs.

Icons for the GNOME desktop.

gnome-keyring is a program that keeps passwords and other secrets for users. It is run as a daemon in the session, similar to ssh-agent, and other applications locate it via an environment variable or D-Bus.

The program can manage several keyrings, each with its own master password, and there is also a session keyring which is never stored to disk, but forgotten when the session ends.

Libpeas is a gobject-based plugin engine, targeted at giving every application the chance to assume its own extensibility. It also has a set of features including, but not limited to: multiple extension points; on-demand (lazy) programming language support for C, Python and JS; simplicity of the API.

Libpeas is a gobject-based plugin engine, targeted at giving every application the chance to assume its own extensibility. It also has a set of features including, but not limited to: multiple extension points; on-demand (lazy) programming language support for C, Python and JS; simplicity of the API.

Liblarch is a Python library built to easily handle data structures such as lists, trees and acyclic graphs. There's also a GTK binding that will allow you to use your data structure in a Gtk.Treeview.

Liblarch support multiple views of one data structure and complex filtering. That way, you have a clear separation between your data themselves (Model) and how they are displayed (View).

gspell provides a flexible API to add spell-checking to a GTK+ application. It provides a GObject API, spell-checking to text entries and text views, and buttons to choose the language.

Support for configuring virtual private networks based on VPNC. Compatible with Cisco VPN concentrators configured to use IPsec.

GNOME Display Manager is a system service that is responsible for providing graphical log-ins and managing local and remote displays.

Image browser and viewer for GNOME, made to replace Eye of GNOME as a more modern default image viewer.

Dconf is a low-level configuration system. Its main purpose is to provide a backend to GSettings on platforms that don't already have configuration storage systems.

Bonobo is a framework for creating reusable components for use in GNOME applications, built on top of CORBA.

Gexiv2 is a GObject wrapper around the Exiv2 photo metadata library. It allows for GNOME applications to easily inspect and update EXIF, IPTC, and XMP metadata in photo and video files of various formats.

Notification-Daemon is the server implementation of the freedesktop.org desktop notification specification.

GNOME Text Editor is a simple text editor that focuses on session management. It keeps track of changes and state even if you quit the application. You can come back to your work even if you've never saved it to a file.

GoVirt is a GObject wrapper for the oVirt REST API.

This extension of NetworkManager allows it to take care of connections to VPNs via OpenConnect, an open client for Cisco's AnyConnect SSL VPN.