| shotwell | Popular photo organizer for the GNOME desktop |
| throne | Qt based cross-platform GUI proxy configuration manager |
| stoat-desktop | Open source user-first chat platform |
| sbs | Simple background setter with 200 lines of code |
| shorewall | IP gateway/firewall configuration tool for GNU/Linux |
| ssh-tpm-agent | SSH agent with support for TPM sealed keys for public key authentication |
| sutils | Small command-line utilities |
| textsnatcher | Copy Text from Images with ease, Perform OCR operations in seconds |
| snippetexpanderd | Your little expandable text snippet helper daemon |
| texworks | Simple TeX front-end program inspired by TeXShop |
| sturmflut | Fast (80+ Gbit/s) pixelflut client with full IPv6 and animation support |
| sniproxy | Transparent TLS and HTTP layer 4 proxy with SNI support |
| snips-sh | Passwordless, anonymous SSH-powered pastebin with a human-friendly TUI and web UI |
| stun | Stun server and test client |
| sssd | System Security Services Daemon |
| telegraph | Write and decode Morse |
| sfizz | SFZ jack client and LV2 plugin |
| squeezelite-pulse | Lightweight headless squeezebox client emulator |
| skyscraper | Powerful and versatile game data scraper written in Qt and C++ |
| sonata | Elegant client for the Music Player Daemon |
| sc2-headless | Starcraft II headless linux client for machine learning research |
| sparrow3d | Software renderer for different open handhelds like the gp2x, wiz, caanoo and pandora |
| scipopt-zimpl | Zuse Institut Mathematical Programming Language |
| squirrel-sql | Universal SQL Client |
| serious-sam-classic-vulkan | Open source game engine version developed by Croteam for Serious Sam Classic |
| tableplus | Database management made easy |
| swaylock | Screen locker for Wayland |
| statping-ng | Status Page for monitoring your websites and applications with beautiful graphs, analytics, and plugins |
| streamcontroller | Elegant Linux app for the Elgato Stream Deck with support for plugins |
| sview | Viewer for 3D stereoscopic videos and images |
| srt-live-server | Open-source low latency livestreaming server, based on Secure Reliable Tranport (SRT) |
| scuba | Simple Container-Utilizing Build Apparatus |
| scd2html | Generates HTML from scdoc source files |
| spotify-tray | Adds a tray icon to the Spotify Linux client application |
| scrutiny | Hard Drive S.M.A.R.T Monitoring, Historical Trends & Real World Failure Thresholds |
| tcpkali | High performance TCP and WebSocket load generator and sink |
| syshud | Simple heads up display written in gtkmm 4 |
| shishi | Implementation of the Kerberos 5 network security system |
| targetcli-fb | Command shell for managing the Linux LIO kernel target |
| swh_lv2 | LV2 version of Steve Harris' SWH plugins |
| systemdgenie | Systemd management utility |
| smplayer | Complete front-end for MPlayer |
| speech-denoiser | Speech denoise lv2 plugin based on RNNoise library |
| sshfs-fuse | FUSE-based filesystem that allows remote filesystems to be mounted over SSH |
| sdparm | Utility to access SCSI device parameters |
| skawarePackages.sdnotify-wrapper | Use systemd sd_notify without having to link against libsystemd |
| stacks | Software pipeline for building loci from short-read sequences |
| tail-tray | Tray icon to manage Tailscale |
| surf-display | Kiosk browser session manager based on the surf browser |
| solvespace | Parametric 3d CAD program |
| sysvtools | Utilities related to booting and shutdown |
| selinux-sandbox | SELinux sandbox utility |
| storeBackup | Backup suite that stores files on other disks |
| show-midi | Multi-platform GUI application to effortlessly visualize MIDI activity |
| spedread | Rapid word display tool for improved reading focus and reduced eye movement |
| seafile-shared | Shared components of Seafile: seafile-daemon, libseafile, libseafile python bindings, manuals, and icons |
| thunderbolt | Thunderbolt user-space components |
| sg3_utils | Utilities that send SCSI commands to devices |
| stopmotion | Create stop-motion animation movies |
| tes3cmd | Command line tool for examining and modifying plugins for the Elder Scrolls game Morrowind by Bethesda Softworks |
| strawberry | Music player and music collection organizer |
| sleek-grub-theme | Grub bootloader themes, contains light/dark/orange/bigSur styles |
| schroot | Lightweight virtualisation tool |
| tasknc | Ncurses wrapper around taskwarrior |
| tango-cpp | Tango Distributed Control System - C++ library |
| tayga | Userland stateless NAT64 daemon |
| sysstat | Collection of performance monitoring tools for Linux (such as sar, iostat and pidstat) |
| talentedhack | LV2 port of Autotalent pitch correction plugin |
| scmccid | PCSC drivers for linux, for the SCM SCR3310 v2.0 card and others |
| syscall_limiter | Start Linux programs with only selected syscalls enabled |
| seq66 | Loop based midi sequencer with Qt GUI derived from seq24 and sequencer64 |
| snis-unwrapped | Space Nerds In Space, a multi-player spaceship bridge simulator |
| sway | I3-compatible tiling Wayland compositor |
| stacktile | Layout generator for the river Wayland compositor |
| thunar-archive-plugin | Thunar plugin providing file context menus for archives |
| ssw | GNU Spread Sheet Widget |
| synaesthesia | Program for representing sounds visually |
| supermin | Tool for creating and building supermin appliances |
| squishyball | Tool to perform sample comparison testing on the command line |
| stremio | Modern media center that gives you the freedom to watch everything you want |
| tlf | Advanced ham radio logging and contest program |
| tellico | Collection management software, free and simple |
| soapysdrplay | Soapy SDR module for SDRplay |
| stuntrally | 3D racing game with Sci-Fi elements and own Track Editor |
| tint2 | Simple panel/taskbar unintrusive and light (memory, cpu, aestetic) |
| target-isns | iSNS client for the Linux LIO iSCSI target |
| slade-unstable | Doom editor |
| swiftshader | High-performance CPU-based implementation of the Vulkan 1.3 graphics API |
| tinycmmc | Tiny CMake Module Collections |
| timeshift-unwrapped | System restore tool for Linux |
| sogo | Very fast and scalable modern collaboration suite (groupware) |
| scrot | Command-line screen capture utility |
| televido | Viewer for German-language public broadcasting live streams and archives |
| sdbus-cpp | High-level C++ D-Bus library designed to provide easy-to-use yet powerful API |
| sycl-info | Tool to show information about available SYCL implementations |
| systemd-wait | Wait for a systemd unit to enter a specific state |
| ta-lib | Add technical analysis to your own financial market trading applications |
| svkbd | Simple virtual keyboard |
| schedtool | Query or alter a process' scheduling policy under Linux |
| soxt | GUI binding for using Open Inventor with Xt/Motif |