| gobby | GTK-based collaborative editor supporting multiple documents in one session and a multi-user chat |
| gtk4 | Multi-platform toolkit for creating graphical user interfaces |
| libusb1 | Cross-platform user-mode USB device library |
| plan9port | Plan 9 from User Space |
| perlPackages.Tk | Tk - a Graphical User Interface Toolkit |
| srht-gen-oauth-tok | Script to register a new Sourcehut OAuth token for a given user |
| wireguard-ui | Web user interface to manage your WireGuard setup |
| qsreplace | Accept URLs on stdin, replace all query string values with a user-supplied value |
| wtwitch | Terminal user interface for Twitch |
| python312Packages.snack | Library for color text mode, widget based user interfaces |
| python313Packages.snack | Library for color text mode, widget based user interfaces |
| python314Packages.snack | Library for color text mode, widget based user interfaces |
| tclPackages.dbus | DBus bindings for Tcl |
| source-sans | Sans serif font family for user interface environments |
| bytecode-viewer | Lightweight user-friendly Java/Android Bytecode Viewer, Decompiler & More |
| perl5Packages.Tk | Tk - a Graphical User Interface Toolkit |
| source-code-pro | Monospaced font family for user interface and coding environments |
| hledger-web | Web user interface for the hledger accounting system |
| perlPackages.TermUI | User interfaces via Term::ReadLine made easy |
| haskellPackages.sel | Cryptography for the casual user |
| source-sans-pro | Sans serif font family for user interface environments (version of Source Sans before being renamed) |
| haskellPackages.lui | Purely FunctionaL User Interface |
| perl5Packages.TermUI | User interfaces via Term::ReadLine made easy |
| libsigsegv | Library to handle page faults in user mode |
| pam_rundir | Provide user runtime directory on Linux systems |
| tinysparql | Desktop-neutral user information store, search tool and indexer |
| haskellPackages.aur | Access metadata from the Arch Linux User Repository |
| haskellPackages.gtk | Binding to the Gtk+ graphical user interface library |
| tclPackages.lexec | Implementation of Tcl TIP 424 "Improving [exec]" as a separate package |
| perl538Packages.Tk | Tk - a Graphical User Interface Toolkit |
| perl540Packages.Tk | Tk - a Graphical User Interface Toolkit |
| haskellPackages.UISF | Library for Arrowized Graphical User Interfaces |
| haskellPackages.slim | Functional reactive user interface programming |
| haskellPackages.vty-ui | An interactive terminal user interface library for Vty |
| spatialite-gui | Graphical user interface for SpatiaLite |
| haskellPackages.uni-htk | Graphical User Interface for Haskell Programs |
| lklug-sinhala | Unicode Sinhala font by Lanka Linux User Group |
| chickenPackages_5.chickenEggs.udp | An interface to User Datagram Protocol sockets |
| haskellPackages.gtk3 | Binding to the Gtk+ 3 graphical user interface library |
| haskellPackages.pcap | A system-independent interface for user-level packet capture |
| perlPackages.IOPrompt | Interactively prompt for user input |
| nerd-fonts.sauce-code-pro | Nerd Fonts: Monospaced font family for user interface and coding environments |
| haskellPackages.geni-gui | GenI graphical user interface |
| perlPackages.CursesUI | Curses based OO user interface framework |
| haskellPackages.brick | A declarative terminal user interface library |
| perl5Packages.IOPrompt | Interactively prompt for user input |
| haskellPackages.TCache | A Transactional cache with user-defined persistence |
| haskellPackages.mmzk-env | Read environment variables into a user-defined data type |
| perl5Packages.CursesUI | Curses based OO user interface framework |
| chewing-editor | Cross platform chewing user phrase editor |
| haskellPackages.gooey | Graphical user interfaces that are renderable, change over time and eventually produce a value |
| mpvScripts.simple-mpv-webui | Web based user interface with controls for the mpv mediaplayer |
| perl540Packages.TermUI | User interfaces via Term::ReadLine made easy |
| perl538Packages.TermUI | User interfaces via Term::ReadLine made easy |
| haskellPackages.clone-all | Clone all github repositories from a given user |
| haskellPackages.warp-tls-uid | set group and user id before running server |
| haskellPackages.phooey | Functional user interfaces |
| haskellPackages.dialog | Simple dialog-based user interfaces |
| perlPackages.HTTPCookieJar | Minimalist HTTP user agent cookie jar |
| haskellPackages.radius | Remote Authentication Dial In User Service (RADIUS) |
| haskellPackages.dyna-brick | FRP for brick Terminal user interface library |
| localsearch | Desktop-neutral user information store, search tool and indexer |
| haskellPackages.tasty-tmux | Terminal user acceptance testing (UAT) via tmux |
| haskellPackages.relude | Safe, performant, user-friendly and lightweight Haskell Standard Library |
| perl5Packages.HTTPCookieJar | Minimalist HTTP user agent cookie jar |
| texlivePackages.amscls-doc | User documentation for AMS document classes |
| texlivePackages.letgut | Class for the newsletter "La Lettre GUTenberg" of the French TeX User Group GUTenberg |
| haskellPackages.prompt-hs | A user-friendly, dependently-typed library for asking your users questions |
| nss_wrapper | Wrapper for the user, group and hosts NSS API |
| haskellPackages.web-output | Library to present content to an user via their browser |
| perlPackages.PerlCriticPulp | Some add-on policies for Perl::Critic |
| perl538Packages.IOPrompt | Interactively prompt for user input |
| perl540Packages.IOPrompt | Interactively prompt for user input |
| haskellPackages.cabal-setup | The user interface for building and installing Cabal packages |
| haskellPackages.ua-parser | A library for parsing User-Agent strings, official Haskell port of ua-parser |
| cantarell-fonts | Default typeface used in the user interface of GNOME since version 3.0 |
| perl5Packages.PerlCriticPulp | Some add-on policies for Perl::Critic |
| perl538Packages.CursesUI | Curses based OO user interface framework |
| perl540Packages.CursesUI | Curses based OO user interface framework |
| haskellPackages.himerge | Haskell Graphical User Interface for Emerge |
| texlivePackages.newfile | User level management of LaTeX input and output |
| haskellPackages.ghcitui | A Terminal User Interface (TUI) for GHCi |
| blueprint-compiler | Markup language for GTK user interface files |
| haskellPackages.wizards | High level, generic library for interrogative user interfaces |
| texlivePackages.sugconf | SAS(R) user group conference proceedings document class |
| haskellPackages.ConsoleAsk | Simple CLI user input library |
| haskellPackages.capped-list | A list-like type for lazy sequences, with a user-defined termination value |
| chickenPackages_5.chickenEggs.webview | Multi-platform HTML user interface shell |
| haskellPackages.dmenu-pmount | Mounting and unmounting linux devices as user with dmenu and pmount |
| haskellPackages.hledger-web | Web user interface for the hledger accounting system |
| haskellPackages.markov-chain | Markov Chains for generating random sequences with a user definable behaviour |
| haskellPackages.text-display | A typeclass for user-facing output |
| haskellPackages.natural-sort | User-friendly text collation |
| chickenPackages_5.chickenEggs.termbox | Minimal text based user interfaces. Bindings for nsf/termbox |
| perl538Packages.HTTPCookieJar | Minimalist HTTP user agent cookie jar |
| perl540Packages.HTTPCookieJar | Minimalist HTTP user agent cookie jar |
| haskellPackages.PUH-Project | This is a package which includes Assignments, Email, User and Reviews modules for Programming in Haskell course |
| perlPackages.FileUtilTempdir | Cross-platform way to get system-wide & user private temporary directory |
| perlPackages.MojoUserAgentCached | Caching, Non-blocking I/O HTTP, Local file and WebSocket user agent |
| haskellPackages.conduit-find | A file-finding conduit that allows user control over traversals |