Editing Freedesktop.org (section)

===Other===
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* [[D-Bus]], a message bus akin to [[Desktop communication protocol|DCOP]] (KDE 3) and [[Bonobo (GNOME)|Bonobo]] (GNOME 2)
* Elektra, a library for reading and writing configuration
*[[FreeType]], a text rendering library
* [[fontconfig]], a library for font discovery, name substitution, etc.
* fprint, a library for consumer fingerprint reader devices
* {{anchor|geoclue}}Geoclue, a [[geoinformation service]]<ref name="geoclue">{{Cite web |url=https://www.techrepublic.com/blog/diy-it-guy/diy-get-top-quality-open-source-security-tools-in-one-distro/ |title=DIY: Get top-quality open source security tools in one distro |last=Wallen |first=Jack |date=6 December 2011 |website=News, Tips, and Advice for Technology Professionals |access-date=2019-06-21 |archive-date=2021-04-18 |archive-url=https://web.archive.org/web/20210418175608/https://www.techrepublic.com/blog/diy-it-guy/diy-get-top-quality-open-source-security-tools-in-one-distro/ |url-status=dead }}</ref>
* [[GStreamer]], a [[cross-platform]] [[multimedia framework]]
* GTK-Qt engine, a [[GTK+#GTK+ 2|GTK+ 2]] engine which uses [[Qt (software)|Qt]] to draw the [[graphical control element]]s, providing the [[look and feel]] of KDE applications to GTK+2 applications
* [[HAL (software)|HAL]] (Hardware Abstraction Layer), a consistent cross-[[operating system]] layer; deprecated and replaced by [[udev]]
* [[kmscon]], a userspace virtual console to replace the Linux console; uses the [[KMS driver]] and supports [[Unicode]]
* [[luit]], a tool used by [[terminal emulator]]s
* [[libinput]],<ref>{{cite web |url=http://lists.freedesktop.org/archives/wayland-devel/2014-June/015589.html |title=[ANNOUNCE] libinput 0.4.0 |work=freedesktop.org |date=2014-06-24}}</ref> a library to handle input devices in [[Wayland compositor]]s and to provide a generic X.Org input driver. It provides device detection, device handling, input device event processing and abstraction to minimize the amount of custom input code compositors need to provide the common set of functionality that users expect.
* [[PulseAudio]], a sound server frontend providing software mixing, network audio, and per application volume control
* [[PipeWire]], a low-latency server for handling [[Sandbox (computer security)|sandbox-friendly]] audio and video [[Stream (computing)|streams]] on [[Linux]], which provides an implementation of PulseAudio, [[JACK Audio Connection Kit|JACK]], and [[Advanced Linux Sound Architecture|ALSA]] as well as secure methods for [[Screenshot|screenshotting]] and [[Screencast|screencasting]] on [[Wayland (display server protocol)|Wayland compositors]]
* [[systemd]], a comprehensive [[init]] framework to start and manage services and sessions meant to replace older init models
* [[Xft]], anti-aliased fonts using the [[FreeType]] library, rather than the old X core fonts
* [[pkg-config]], a helper program used to generate flags for compiler and linker to include necessary libraries
Also, [[Avahi (software)|Avahi]] (a free [[Zeroconf]] implementation) started as a fd.o project but has since become a separate project.