# Packages {#chap-packages}

This chapter contains information about how to use and maintain the Nix expressions for a number of specific packages, such as the Linux kernel or X.org.

```{=include=} sections
citrix.section.md
darwin-builder.section.md
dlib.section.md
eclipse.section.md
elm.section.md
emacs.section.md
firefox.section.md
fish.section.md
fuse.section.md
geant4.section.md
ibus.section.md
inkscape.section.md
kakoune.section.md
krita.section.md
linux.section.md
lhapdf.section.md
locales.section.md
etc-files.section.md
nginx.section.md
opengl.section.md
shell-helpers.section.md
python-tree-sitter.section.md
treefmt.section.md
steam.section.md
cataclysm-dda.section.md
urxvt.section.md
vcpkg.section.md
weechat.section.md
xorg.section.md
build-support.md
```