GStreamer-Plugins-Good is a collection of plug-ins you'd want to have right next to you on the battlefield. Shooting sharp and making no mistakes, these plug-ins have it all: good looks, good code, and good licensing. Documented and dressed up in tests. If you're looking for a role model to base your own plug-in on, here it is.

This package provides an essential exemplary set of plug-ins for the GStreamer multimedia library.

This package contains manuals, tutorials, and API reference for the GStreamer multimedia framework.

This package provides a GStreamer extension to handle RTSP connections and messages.

GStreamer Bad Plug-ins is a set of plug-ins whose quality aren't up to par compared to the rest.

The program gst123 is designed to be a more flexible command line player in the spirit of ogg123 and mpg123, based on the gstreamer media framework. It plays all file formats gstreamer supports, so if you have a music collection which contains different file formats, like flac, ogg and mp3, you can use gst123 to play all your music files.

This is a high-level library for facilitating the creation of audio/video non-linear editors.

Libvisual is a library that acts as a middle layer between applications that want audio visualisation and audio visualisation plugins.

This is a Gstreamer src plugin to use the espeak speech synthesizer as a sound source.

GStreamer is a library for constructing graphs of media-handling components. The applications it supports range from simple Ogg/Vorbis playback, audio/video streaming to complex audio mixing and video non-linear editing.

Applications can take advantage of advances in codec and filter technology transparently. Developers can add new codecs and filters by writing a simple plugin with a clean, generic interface.

This package provides the core library and elements.

Gst-Plugins-Ugly are the ones that might have a patent noose around their neck, or a lock-up license, or any other problem that makes you think twice about shipping them.

The Enlightened Sound Daemon mixes several audio streams for playback by a single audio device. You can also pre-load samples, and play them back without having to send all the data for the sound. Network transparency is also built in, so you can play sounds on one machine, and listen to them on another.

GStreamer-Plugins-Good is a collection of plug-ins you'd want to have right next to you on the battlefield. Shooting sharp and making no mistakes, these plug-ins have it all: good looks, good code, and good licensing. Documented and dressed up in tests. If you're looking for a role model to base your own plug-in on, here it is.

Pangomm provides a C++ programming interface to the Pango text rendering library.

GtkSourceView is a text widget that extends the standard GTK+ text widget GtkTextView. It improves GtkTextView by implementing syntax highlighting and other features typical of a source code editor.

Pango is a library for laying out and rendering text, with an emphasis on internationalization. Pango can be used anywhere that text layout is needed, but using Pango in conjunction with Cairo and/or Gtk2 provides a complete solution with high quality text handling and graphics rendering.

Dynamically loaded modules handle text layout for particular combinations of script and font backend. Pango provides a wide selection of modules, including modules for Hebrew, Arabic, Hangul, Thai, and a number of Indic scripts. Virtually all of the world's major scripts are supported.

In addition to the low level layout rendering routines, Pango includes Pango::Layout, a high level driver for laying out entire blocks of text, and routines to assist in editing internationalized text.

Volctl is a PulseAudio-enabled tray icon volume control and OSD applet for graphical desktops. It's not meant to be an replacement for a full-featured mixer application. If you're looking for that check out the excellent pavucontrol.

Pycairo is a set of Python bindings for the Cairo graphics library.

GTKmm is the official C++ interface for the popular GUI library GTK+. Highlights include typesafe callbacks, and a comprehensive set of widgets that are easily extensible via inheritance. You can create user interfaces either in code or with the Glade User Interface designer, using libglademm. There's extensive documentation, including API reference and a tutorial.

Libdatrie is an implementation of double-array structure for representing trie. Trie is a kind of digital search tree.

Guile-Cairo wraps the Cairo graphics library for Guile Scheme. Guile-Cairo is complete, wrapping almost all of the Cairo API. It is API stable, providing a firm base on which to do graphics work. Finally, and importantly, it is pleasant to use. You get a powerful and well-maintained graphics library with all of the benefits of Scheme: memory management, exceptions, macros, and a dynamic programming environment.

The Assistive Technology Service Provider Interface, core components, is part of the GNOME accessibility project.

GtkSheet is a matrix widget for GTK+. It consists of an scrollable grid of cells where you can allocate text. Cell contents can be edited interactively through a specially designed entry, GtkItemEntry. It is also a container subclass, allowing you to display buttons, images and any other widget in it. You can also set many attributes such as border, foreground and background colors, text justification and more.

GtkDoc is a tool used to extract API documentation from C-code like Doxygen, but handles documentation of GObject (including signals and properties) that makes it very suitable for GTK+ apps and libraries. It uses docbook for intermediate files and can produce html by default and pdf/man-pages with some extra work.