| ace-of-penguins | Solitaire games in X11 |
| libsForQt5.qtx11extras | Cross-platform application framework for C++ |
| libsForQt5.qt5.qtx11extras | Cross-platform application framework for C++ |
| tinywm | Tiny window manager for X11 |
| xcalc | Scientific calculator X11 client that can emulate a TI-30 or an HP-10C |
| haskellPackages.gi-gdkx11 | GdkX11 4.x bindings (compatibility layer) |
| sommelier | Nested Wayland compositor with support for X11 forwarding |
| xcb-proto | XML-XCB protocol descriptions used by libxcb for the X11 protocol & extensions |
| xloadimage | Graphics file viewer under X11 |
| xscope | Program to monitor X11/Client conversations |
| snes9x | Super Nintendo Entertainment System (SNES) emulator, X11 version |
| haskellPackages.gi-gdkx114 | GdkX11 4.x bindings |
| haskellPackages.gi-gdkx113 | GdkX11 3.x bindings |
| bucklespring-x11 | Nostalgia bucklespring keyboard sound |
| x11_ssh_askpass | Lightweight passphrase dialog for OpenSSH or other open variants of SSH |
| xrandr | Command line interface to X11 Resize, Rotate, and Reflect (RandR) extension |
| plasma5Packages.qtx11extras | Cross-platform application framework for C++ |
| xsuspender | Auto-suspend inactive X11 applications |
| oclock | simple analog clock using the X11 SHAPE extension to make a round window |
| plasma5Packages.qt5.qtx11extras | Cross-platform application framework for C++ |
| libvibrant | Simple library to adjust color saturation of X11 outputs |
| qt6Packages.sddm-unwrapped | QML based X11 display manager |
| xsettingsd | Provides settings to X11 applications via the XSETTINGS specification |
| openzone-cursors | Clean and sharp X11/Wayland cursor theme |
| projecteur | Linux/X11 application for the Logitech Spotlight device (and similar devices) |
| virtualglLib | X11 GL rendering in a remote computer with full 3D hw acceleration |
| kobodeluxe | Enhanced version of Akira Higuchi's game XKobo for Un*x systems with X11 |
| kdePackages.sddm-unwrapped | QML based X11 display manager |
| libxtst | Library for the XTEST and RECORD X11 extensions |
| libxext | Xlib-based library for common extensions to the X11 protocol |
| xcbproto | XML-XCB protocol descriptions used by libxcb for the X11 protocol & extensions |
| xbrightness | X11 brigthness and gamma software control |
| fastcompmgr | Fast compositor for X11 |
| maplestory-cursor | Maplestory cursor theme for x11 & wayland |
| xcompmgr | Sample X11 compositing manager |
| haskellPackages.gi-gdkx11_4_0_9 | GdkX11 4.x bindings (compatibility layer) |
| xdriinfo | Utility to query configuration information of X11 DRI drivers |
| CuboCore.corekeyboard | Virtual keyboard for X11 from the C Suite |
| shadershark | OpenGL/X11 application for GNU/Linux consisting of a single window that shows simple 3D scene of a textured rectangle with applied vertex and fragment shaders (GLSL) |
| libclxclient | Zita X11 library |
| screen-message | Displays a short text fullscreen in an X11 window |
| wmderland | Modern and minimal X11 tiling window manager |
| bloodspilot-server | Multiplayer X11 space combat game (server part) |
| libxcursor | X11 Cursor management library |
| xchainkeys | Standalone X11 program to create chained key bindings |
| libxrender | Xlib library for the Render Extension to the X11 protocol |
| xcursorgen | prepares X11 cursor sets for use with libxcursor |
| xlsclients | Utility to list client applications running on a X11 display |
| bemoji | Emoji picker with support for bemenu/wofi/rofi/dmenu and wayland/X11 |
| haskellPackages.HGL | A simple graphics library based on X11 or Win32 |
| gnomeExtensions.solaar-extension | Allow Solaar to support certain features on non X11 systems |
| gnomeExtensions.fix-remote-window-icons | This extension restores proper icon and app associations for remote X11 (Xwayland) windows that GNOME Shell fails to recognize. It ensures that applications running in Incus containers, SSH X forwarding, or other remote environments display the correct icons in the dock and allow pinning. |
| unclutter-xfixes | Rewrite of unclutter using the X11 Xfixes extension |
| mkfontdir | Utilities to create the fonts.scale and fonts.dir index files used by the legacy X11 font system |
| haskellPackages.Xauth | A binding to the X11 authentication library |
| gnomeExtensions.xwayland-indicator | Point out X11 windows in GNOME. |
| haskellPackages.GLHUI | Open OpenGL context windows in X11 with libX11 |
| haskellPackages.xtest | Thin FFI bindings to X11 XTest library |
| chickenPackages_5.chickenEggs.ezxdisp | A simple 2D and 3D graphics library for X11 |
| xsecurelock | X11 screen lock utility with security in mind |
| libxinerama | Library for Xinerama extension to X11 Protocol |
| xmagnify | Tiny screen magnifier for X11 |
| place-cursor-at | A utility for X11 that moves the mouse cursor using the keyboard |
| mkfontscale | Utilities to create the fonts.scale and fonts.dir index files used by the legacy X11 font system |
| xpointerbarrier | Create X11 pointer barriers around your working area |
| gnomeExtensions.another-window-session-manager | Close open windows gracefully and save them as a session. And you can restore them when necessary manually or automatically at startup. Most importantly, it supports both X11 and Wayland! |
| haskellPackages.posplyu | Sleep tracker for X11, using XScreenSaver extension and manual input |
| xfce.libxfce4windowing | Windowing concept abstraction library for X11 and Wayland |
| haskellPackages.place-cursor-at | A utility for X11 that moves the mouse cursor using the keyboard |
| texlivePackages.xpdfopen | Commands to control PDF readers, under X11 |
| libxcomposite | Client library for the Composite extension to the X11 protocol |
| libxscrnsaver | X11 Screen Saver extension client library |
| libxfce4windowing | Windowing concept abstraction library for X11 and Wayland |
| haskellPackages.backdropper | Rotates backdrops for X11 displays using Imagemagic |