| xannotate | Tool to scribble over X windows |
| wargus | Importer and scripts for Warcraft II: Tides of Darkness, the expansion Beyond the Dark Portal, and Aleonas Tales |
| xfce4-settings | Settings manager for Xfce |
| waypipe | Network proxy for Wayland clients (applications) |
| x42-gmsynth | Chris Colins' General User soundfont player LV2 plugin |
| undaemonize | Tiny helper utility to force programs which insist on daemonizing themselves to run in the foreground |
| wvstreams | Network programming library in C++ |
| twinkle | SIP-based VoIP client |
| waydroid-nftables | Container-based approach to boot a full Android system on a regular GNU/Linux system |
| x2gokdriveclient | Graphical NoMachine NX3 remote desktop client (KDrive client) |
| wpa_supplicant_gui | Qt-based GUI for wpa_supplicant |
| uudeview | Nice and Friendly Decoder |
| whatsie | Feature rich WhatsApp Client for Desktop Linux |
| xkbset | Program to help manage many of XKB features of X window |
| xvkbd | Virtual keyboard for X window system |
| vicinae | Native, fast, extensible launcher for the desktop |
| xfconf | Simple client-server configuration storage and query system for Xfce |
| xonotic-sdl | Free fast-paced first-person shooter |
| yambar | Modular status panel for X11 and Wayland |
| xbattbar | Display battery status in X11 |
| xfce4-genmon-plugin | Generic monitor plugin for the Xfce panel |
| wsysmon | Windows task manager clone for Linux |
| tuxclocker-plugins | Qt overclocking tool for GNU/Linux |
| wlrctl | Command line utility for miscellaneous wlroots Wayland extensions |
| xawtv | TV application for Linux with apps and tools such as a teletext browser |
| wooting-udev-rules | udev rules that give NixOS permission to communicate with Wooting keyboards |
| udevil | Mount without password |
| ubertooth | Open source wireless development platform suitable for Bluetooth experimentation |
| xbase | C++ class library formerly known as XDB |
| ulauncher | Fast application launcher for Linux, written in Python, using GTK |
| xsettingsd | Provides settings to X11 applications via the XSETTINGS specification |
| uif2iso | Tool for converting single/multi part UIF image files to ISO |
| trelby | Free, multiplatform, feature-rich screenwriting program |
| zam-plugins | Collection of LV2/LADSPA/VST/JACK audio plugins by ZamAudio |
| xcalib | Tiny monitor calibration loader for X and MS-Windows |
| yasr | General-purpose console screen reader |
| zabbix.proxy-pgsql | Enterprise-class open source distributed monitoring solution (client-server proxy) |
| usbip-ssh | Import usb devices from another linux machine with ssh's connection forwarding mechanism |
| xpointerbarrier | Create X11 pointer barriers around your working area |
| wpgtk | Template based wallpaper/colorscheme generator and manager |
| xkb-switch-i3 | Switch your X keyboard layouts from the command line(i3 edition) |
| virtualgl | |
| trinity | Linux System call fuzz tester |
| usbrelayd | USB Relay MQTT service |
| tuxclocker-plugins-with-unfree | Qt overclocking tool for GNU/Linux |
| vmpk | Virtual MIDI Piano Keyboard |
| x2goserver | Remote desktop application, server component |
| unixtools.top | |
| wingpanel-indicator-namarupa | Wingpanel Namarupa Indicator (Ayatana support) |
| xxd | |
| wlr-protocols | Wayland roots protocol extensions |
| xapp-thumbnailers | Thumbnailers for GTK desktop environments |
| vkeybd | Virtual MIDI keyboard |
| yubikey-touch-detector | Tool to detect when your YubiKey is waiting for a touch |
| xdg-desktop-portal-gnome | Backend implementation for xdg-desktop-portal for the GNOME desktop environment |
| valuta | Simple application for converting currencies, with support for various APIs |
| vdrPlugins.streamdev | This PlugIn is a VDR implementation of the VTP (Video Transfer Protocol) Version 0.0.3 (see file PROTOCOL) and a basic HTTP Streaming Protocol |
| vertcoin | Digital currency with mining decentralisation and ASIC resistance as a key focus |
| virt-what | Detect if running in a virtual machine and prints its type |
| xfs-undelete | Undelete tool for the XFS filesystem |
| xtrace | Tool to trace X11 protocol connections |
| yascreen | Curses replacement for daemons and embedded apps |
| xfce4-xkb-plugin | Allows you to setup and use multiple keyboard layouts |
| wlopm | Simple client implementing zwlr-output-power-management-v1 |
| xapp | Cross-desktop libraries and common resources |
| xxdiff-tip | Graphical file and directories comparator and merge tool |
| zafiro-icons | Icon pack flat with light colors |
| vite | Visual Trace Explorer (ViTE), a tool to visualize execution traces |
| wayland-proxy-virtwl | Proxy Wayland connections across a VM boundary |
| xxkb | Keyboard layout indicator and switcher |
| wslu | Collection of utilities for Windows Subsystem for Linux |
| xprintidle-ng | Command-line tool to print idle time from libXss |
| xfce4-dict | Dictionary Client for the Xfce desktop environment |
| usbguard | Protect your computer against rogue USB devices (a.k.a. BadUSB) |
| urjtag | Universal JTAG library, server and tools |
| zabbix70.server-pgsql | Enterprise-class open source distributed monitoring solution |
| vacuum | XMPP client fully composed of plugins |
| xf86-input-cmt | Chromebook touchpad driver |
| xfce4-exo | Application library for Xfce |
| xed-editor | Light weight text editor from Linux Mint |
| ucspi-tcp | Command-line tools for building TCP client-server applications |
| wvkbd | On-screen keyboard for wlroots |
| vice | Emulators for a variety of 8-bit Commodore computers |
| unixODBCDrivers.redshift | Amazon Redshift ODBC driver |
| wl-mirror | Simple Wayland output mirror client |
| vrb | Virtual ring buffer library written in C |
| uvcdynctrl | Simple interface for devices supported by the linux UVC driver |
| xkb-switch | Switch your X keyboard layouts from the command line |
| wsjtx | Weak-signal digital communication modes for amateur radio |
| wayland-utils | Wayland utilities (wayland-info) |
| xfwm4 | Window manager for Xfce |
| zd1211fw | Firmware for the ZyDAS ZD1211(b) 802.11a/b/g USB WLAN chip |
| wlclock | Digital analog clock for Wayland desktops |
| zabbix.web | Enterprise-class open source distributed monitoring solution (web frontend) |
| y-cruncher | Compute Pi and other constants to billions of digits |
| wxmacmolplt | Graphical user interface for GAMESS-US |
| xvfb-run | Convenience script to run a virtualized X-Server |
| wlcs | Wayland Conformance Test Suite |
| wmenu | Efficient dynamic menu for Sway and wlroots based Wayland compositors |
| unstick | Silently eats chmod commands forbidden by Nix |