| test-drive | Procedural Fortran testing framework |
| tbox | Glib-like multi-platform c library |
| tiny8086 | Open-source small 8086 emulator |
| spot | Native Spotify client for the GNOME desktop |
| squishyball | Tool to perform sample comparison testing on the command line |
| speedscope | Fast and interactive web-based viewer for performance profiles |
| statifier | Tool for creating static Linux binaries |
| snapper-gui | Graphical interface for snapper |
| stenc | SCSI Tape Encryption Manager |
| su | Suite containing authentication-related tools such as passwd and su |
| setools | SELinux Policy Analysis Tools |
| sonic-visualiser | View and analyse contents of music audio files |
| stone-kingdoms | Real-time strategy game made with LÖVE based on the original Stronghold by Firefly studios |
| smartsynchronize | File Manager, File/Directory Compare |
| smartdns | Local DNS server to obtain the fastest website IP for the best Internet experience |
| tautulli | Python based monitoring and tracking tool for Plex Media Server |
| sfxr-qt | Sound effect generator, QtQuick port of sfxr |
| taler-exchange | Exchange component for the GNU Taler electronic payment system |
| slock | Simple X display locker |
| shaderbg | Shader-based live wallpaper program for compositors that support wlr-layer-shell (Sway and others) |
| swaysettings | GUI for configuring your sway desktop |
| sqlite-jdbc | Library for accessing and creating SQLite database files in Java |
| taler-merchant | Merchant component for the GNU Taler electronic payment system |
| swiftPackages.Foundation | Core utilities, internationalization, and OS independence for Swift |
| ssw | GNU Spread Sheet Widget |
| solarus | Zelda-like ARPG game engine |
| stepmania | Free dance and rhythm game for Windows, Mac, and Linux |
| thunar-unwrapped | Xfce file manager |
| ticketbooth | Keep track of your favorite shows |
| sooperlooper | Live looping sampler capable of immediate loop recording, overdubbing, multiplying, reversing and more |
| schroot | Lightweight virtualisation tool |
| spatial-shell | Implementing a spatial model inspired by Material Shell, for i3 and sway |
| sleek-grub-theme | Grub bootloader themes, contains light/dark/orange/bigSur styles |
| strutcpp | Collection of string utilities |
| scream | Audio receiver for the Scream virtual network sound card |
| swaynotificationcenter | Simple notification daemon with a GUI built for Sway |
| spedread | Rapid word display tool for improved reading focus and reduced eye movement |
| simpleitk | Simplified interface to ITK |
| simutrans_binaries | Simulation game in which the player strives to run a successful transport system |
| slobdict | Modern, lightweight GTK 4 dictionary app |
| tinywl | A "minimum viable product" Wayland compositor based on wlroots |
| tandem-aligner | Parameter-free algorithm for sequence alignment |
| tetgen_1_4 | Quality Tetrahedral Mesh Generator and 3D Delaunay Triangulator |
| stremio | Modern media center that gives you the freedom to watch everything you want |
| solarus-quest-editor | Editor for the Zelda-like ARPG game engine, Solarus |
| shellhub-agent | Enables easy access any Linux device behind firewall and NAT |
| sirius | Domain specific library for electronic structure calculations |
| sorcer | Wavetable LV2 plugin synth, targeted at the electronic / dubstep genre |
| tinymembench | Simple benchmark for memory throughput and latency |
| sutils | Small command-line utilities |
| steam-devices-udev-rules | Udev rules list for gaming devices |
| supercollider-with-sc3-plugins | Programming language for real time audio synthesis |
| sequeler | Friendly SQL Client |
| shticker-book-unwritten | Minimal CLI launcher for the Toontown Rewritten MMORPG |
| sc-controller | User-mode driver and GUI for Steam Controller and other controllers |
| sqlitestudio-plugins | Official plugins for SQLiteStudio, a free, open source, multi-platform SQLite database manager |
| socalabs-papu | Socalabs Nintendo Gameboy PAPU Emulation Plugin |
| swi-prolog-gui | Prolog compiler and interpreter |
| thunar-dropbox-plugin | Plugin that adds context-menu items for Dropbox to Thunar |
| schemes | Edit GtkSourceView style-schemes for an application or platform |
| solidtime-desktop | Modern open-source time-tracking app |
| sparse | Semantic parser for C |
| tint2 | Simple panel/taskbar unintrusive and light (memory, cpu, aestetic) |
| wifitui | Fast featureful friendly wifi terminal UI |
| tpm2-openssl | OpenSSL Provider for TPM2 integration |
| tony | Pitch and note annotation of unaccompanied melody |
| whsniff | Packet sniffer for 802.15.4 wireless networks |
| xfdashboard | GNOME shell like dashboard |
| tpm2-pkcs11-fapi | PKCS#11 interface for TPM2 hardware Enables fapi by default, as if TPM2_PKCS11_BACKEND defaulted to 'fapi'. |
| ubports-click | Tool to build click packages, mainly used for Ubuntu Touch |
| xcb-imdkit | Input method development support for xcb |
| wfa2-lib | Wavefront alignment algorithm library v2 |
| torcs-without-data | Car racing game (does not come with the game data required to run) |
| ugm | Terminal based UNIX user and group browser |
| tracefilegen | Automatically generate all types of basic memory management operations and write into trace files |
| xilinx-bootgen | Generate Boot Images for Xilinx Zynq and ZU+ SoCs |
| xautomation | Control X from the command line for scripts, and do "visual scraping" to find things on the screen |
| xdg-desktop-portal-phosh | A backend implementation for xdg-desktop-portal that is using GTK/GNOME/Phosh to provide interfaces that aren't provided by the GTK portal |
| waypipe | Network proxy for Wayland clients (applications) |
| unixtools.umount | |
| xd | i2p bittorrent client |
| xfce4-screenshooter | Screenshot utility for the Xfce desktop |
| virtio-win | Windows VirtIO Drivers |
| usbguard | Protect your computer against rogue USB devices (a.k.a. BadUSB) |
| trayer | Lightweight GTK2-based systray for UNIX desktop |
| vdrPlugins.femon | DVB Frontend Status Monitor plugin for VDR |
| transcribe | Software to help transcribe recorded music |
| xfce4-clipman-plugin | Clipboard manager for Xfce panel |
| tumbler | D-Bus thumbnailer service |
| wlr-protocols | Wayland roots protocol extensions |
| umpire | Application-focused API for memory management on NUMA & GPU architectures |
| xdg-dbus-proxy | DBus proxy for Flatpak and others |
| wiringpi | Gordon's Arduino wiring-like WiringPi Library for the Raspberry Pi (Unofficial Mirror for WiringPi bindings) |
| wlclock | Digital analog clock for Wayland desktops |
| vboot-utils | Chrome OS partitioning and kernel signing tools |
| unixtools.column | |
| udocker | Basic user tool to execute simple docker containers in user space without root privileges |
| vdr | Video Disc Recorder |
| vulkan-extension-layer | Layers providing Vulkan features when native support is unavailable |
| veroroute | Qt based Veroboard/Perfboard/PCB layout and routing application |