| rauc | Safe and secure software updates for embedded Linux |
| rsnapshot | Filesystem snapshot utility for making backups of local and remote systems |
| rocketchat-desktop | Official Desktop client for Rocket.Chat |
| rocmPackages.clr | AMD Common Language Runtime for hipamd, opencl, and rocclr |
| refine | Tweak various aspects of GNOME |
| scite | SCIntilla based Text Editor |
| tlmi-auth | Utility for creating signature strings needed for thinklmi certificate based authentication |
| swappy | Wayland native snapshot editing tool, inspired by Snappy on macOS |
| squeezelite-pulse | Lightweight headless squeezebox client emulator |
| sg3_utils | Utilities that send SCSI commands to devices |
| sdr-j-fm | SDR based FM radio receiver software |
| swayfx-unwrapped | Sway, but with eye candy |
| taler-exchange | Exchange component for the GNU Taler electronic payment system |
| targetcli-fb | Command shell for managing the Linux LIO kernel target |
| supersonic-wayland | Lightweight cross-platform desktop client for Subsonic music servers |
| swaylock | Screen locker for Wayland |
| thunar-unwrapped | Xfce file manager |
| talentedhack | LV2 port of Autotalent pitch correction plugin |
| stardust | Space flight simulator |
| themix-gui | Graphical application for designing themes and exporting them using plugins |
| superd | Unprivileged user service supervisor |
| tes3cmd | Command line tool for examining and modifying plugins for the Elder Scrolls game Morrowind by Bethesda Softworks |
| sgt-puzzles-mobile | Simon Tatham's portable puzzle collection |
| seq24 | Minimal loop based midi sequencer |
| tandem-aligner | Parameter-free algorithm for sequence alignment |
| svaba | Structural variant and INDEL caller for DNA sequencing data, using genome-wide local assembly |
| scanservjs | SANE scanner nodejs web ui |
| sof-firmware | Sound Open Firmware |
| sddm-astronaut | Modern looking qt6 sddm theme |
| tetraproc | Converts the A-format signals from a tetrahedral Ambisonic microphone into B-format signals ready for recording |
| sweethome3d.furniture-editor | Quickly create SH3F files and edit the properties of the 3D models it contain |
| ssrc | High quality audio sampling rate converter |
| swaycwd | Returns cwd for shell in currently focused sway window, or home directory if cannot find shell |
| sunshine | Game stream host for Moonlight |
| thumbdrives | USB mass storage emulator for Linux handhelds |
| tabbed | Simple generic tabbed fronted to xembed aware applications |
| stockpile | Keep count of restockable items |
| sycl-info | Tool to show information about available SYCL implementations |
| tiramisu | Desktop notifications, the UNIX way |
| systemd-lock-handler | Translates systemd-system lock/sleep signals into systemd-user target activations |
| serious-sam-classic-vulkan | Open source game engine version developed by Croteam for Serious Sam Classic |
| smartsynchronize | File Manager, File/Directory Compare |
| stacks | Software pipeline for building loci from short-read sequences |
| shticker-book-unwritten | Minimal CLI launcher for the Toontown Rewritten MMORPG |
| selinux-refpolicy | SELinux Reference Policy v2 |
| seasocks | Tiny embeddable C++ HTTP and WebSocket server |
| sexp-cpp | S-Expression parser for C++ |
| steamtinkerlaunch | Linux wrapper tool for use with the Steam client for custom launch options and 3rd party programs |
| tlf | Advanced ham radio logging and contest program |
| tartube-yt-dlp | GUI front-end for youtube-dl |
| soi | Physics-based puzzle game |
| sfizz | SFZ jack client and LV2 plugin |
| sc-controller | User-mode driver and GUI for Steam Controller and other controllers |
| spedread | Rapid word display tool for improved reading focus and reduced eye movement |
| soapysdrplay | Soapy SDR module for SDRplay |
| schroot | Lightweight virtualisation tool |
| spfft | Sparse 3D FFT library with MPI, OpenMP, CUDA and ROCm support |
| thunar-vcs-plugin | Thunar plugin providing support for Subversion and Git |
| sirius | Domain specific library for electronic structure calculations |
| solarus-launcher | Launcher for the Zelda-like ARPG game engine, Solarus |
| snis-assets | Assets for Space Nerds In Space, a multi-player spaceship bridge simulator |
| spot | Native Spotify client for the GNOME desktop |
| tiled | Free, easy to use and flexible tile map editor |
| sunpaper | Utility to change wallpaper based on local weather, sunrise and sunset times |
| tango-icon-theme | Basic set of icons |
| spyder | Scientific python development environment |
| sunxi-tools | Tools for Allwinner SoC devices |
| stacktile | Layout generator for the river Wayland compositor |
| scd2html | Generates HTML from scdoc source files |
| terminator | Terminal emulator with support for tiling and tabs |
| swaymux | Program to quickly navigate sway |
| symcc | Efficient compiler-based symbolic execution |
| snippetexpandergui | Your little expandable text snippet helper GUI |
| tlp-pd | Power-rofiles-daemon like DBus interface for TLP |
| stun | Stun server and test client |
| simgear | Simulation construction toolkit |
| srain | Modern IRC client written in GTK |
| seer | Qt gui frontend for GDB |
| tblite | Light-weight tight-binding framework |
| themechanger | Theme changing utility for Linux |
| shtns | High performance library for Spherical Harmonic Transform |
| sgdboop | Applying custom artwork to Steam, using SteamGridDB |
| shadow | Suite containing authentication-related tools such as passwd and su |
| supercollider_scel | Programming language for real time audio synthesis |
| sdparm | Utility to access SCSI device parameters |
| switcheroo-control | D-Bus service to check the availability of dual-GPU |
| taxi | FTP Client that drives you anywhere |
| serigy | Store important information from your clipboard selectively and securely |
| smartgit | Git GUI client |
| spit | Atomically create a file with content |
| stuntrally | 3D racing game with Sci-Fi elements and own Track Editor |
| sogo | Very fast and scalable modern collaboration suite (groupware) |
| stupidterm | Simple wrapper around the VTE terminal emulator widget for GTK |
| tiny-rdm | Modern, colorful, super lightweight Redis GUI client |
| tennix | Classic Championship Tour 2011 |
| sooperlooper | Live looping sampler capable of immediate loop recording, overdubbing, multiplying, reversing and more |
| theforceengine | Modern "Jedi Engine" replacement supporting Dark Forces, mods, and in the future, Outlaws |
| solvespace | Parametric 3d CAD program |
| thunar-media-tags-plugin | Thunar plugin providing tagging and renaming features for media files |
| texworks | Simple TeX front-end program inspired by TeXShop |