| scmccid | PCSC drivers for linux, for the SCM SCR3310 v2.0 card and others |
| swaykbdd | Per-window keyboard layout for Sway |
| timbreid | Collection of audio feature analysis externals for puredata |
| socalabs-sid | Socalabs Commodore 64 SID Emulation Plugin |
| schedtool | Query or alter a process' scheduling policy under Linux |
| taler-sync | Backup and synchronization service |
| swaylock-effects | Screen locker for Wayland |
| simutrans | Simulation game in which the player strives to run a successful transport system |
| sdl-jstest | Simple SDL joystick test application for the console |
| snis | Space Nerds In Space, a multi-player spaceship bridge simulator |
| tcpkali | High performance TCP and WebSocket load generator and sink |
| srb2 | Sonic Robo Blast 2 is a 3D Sonic the Hedgehog fangame based on a modified version of Doom Legacy |
| solaar | Linux devices manager for the Logitech Unifying Receiver |
| stun | Stun server and test client |
| scorched3d | 3D Clone of the classic Scorched Earth |
| simplenes | NES emulator written in C++ |
| stone-phaser | Classic analog phaser effect, made with DPF and Faust |
| ssrc | High quality audio sampling rate converter |
| smc | Generate state machine code from text input (state diagram) |
| skyscraper | Powerful and versatile game data scraper written in Qt and C++ |
| sdbus-cpp_2 | High-level C++ D-Bus library designed to provide easy-to-use yet powerful API |
| selectdefaultapplication | Very simple application that lets you define default applications on Linux in a sane way |
| tinycdb | Utility to manipulate constant databases (cdb) |
| tacent | C++ library providing linear algebra and various utility functions |
| tangram | Run web apps on your desktop |
| sway-audio-idle-inhibit | Prevent swayidle/hypridle from sleeping |
| serigy | Store important information from your clipboard selectively and securely |
| sil | Rogue-like game set in the First Age of Middle-earth |
| tasknc | Ncurses wrapper around taskwarrior |
| sway-assign-cgroups | Place GUI applications into systemd scopes for systemd-oomd compatibility |
| superd | Unprivileged user service supervisor |
| snippetexpander | Your little expandable text snippet helper CLI |
| sqlauncher | Simple QT6 Program Launcher |
| sonic-lineup | Comparative visualisation of related audio recordings |
| steamtinkerlaunch | Linux wrapper tool for use with the Steam client for custom launch options and 3rd party programs |
| tilda | Gtk based drop down terminal for Linux and Unix |
| sonata | Elegant client for the Music Player Daemon |
| stone | TCP/IP repeater in the application layer |
| semantik | Mind-mapping application for KDE |
| sway-launcher-desktop | TUI Application launcher with Desktop Entry support |
| thinkfan | Simple, lightweight fan control program |
| spideroak | Secure online backup and sychronization |
| systembus-notify | System bus notification daemon |
| snis-assets | Assets for Space Nerds In Space, a multi-player spaceship bridge simulator |
| skawarePackages.sdnotify-wrapper | Use systemd sd_notify without having to link against libsystemd |
| spi-tools | Simple command line tools to help using Linux spidev devices |
| scid-vs-pc | Chess database with play and training functionality |
| taktuk | Efficient, large scale, parallel remote execution of commands |
| surf-display | Kiosk browser session manager based on the surf browser |
| tartube-yt-dlp | GUI front-end for youtube-dl |
| smem | Memory usage reporting tool that takes shared memory into account |
| strfry | Nostr relay implementation in C++ |
| stupidterm | Simple wrapper around the VTE terminal emulator widget for GTK |
| supervise | Minimal unprivileged process supervisor making use of modern Linux features |
| storrent | Implementation of the BitTorrent protocol that is optimised for streaming media |
| socalabs-sn76489 | Socalabs Texas Instruments SN76489 Emulation Plugin |
| su-exec | Switch user and group id and exec |
| sgdboop | Applying custom artwork to Steam, using SteamGridDB |
| simple-dftd3 | Reimplementation of the DFT-D3 program |
| tennix | Classic Championship Tour 2011 |
| taglib-sharp | Library for reading and writing metadata in media files |
| tacacsplus | Protocol for authentication, authorization and accounting (AAA) services for routers and network devices |
| srm-cuarzo | Simple Rendering Manager |
| syshud | Simple heads up display written in gtkmm 4 |
| singularity | Application containers for linux (Sylabs Inc's fork of Singularity, a.k.a. SingularityCE) |
| tartube | GUI front-end for youtube-dl |
| switchres | Modeline generation engine for emulation |
| seamly2d | Open source patternmaking software |
| seafile-client | Desktop client for Seafile, the Next-generation Open Source Cloud Storage |
| sdnotify-wrapper | Use systemd sd_notify without having to link against libsystemd |
| simgear | Simulation construction toolkit |
| service-wrapper | Convenient wrapper for the systemctl commands, borrow from Ubuntu |
| timeshift-unwrapped | System restore tool for Linux |
| slweb | Static website generator which aims at being simplistic |
| tgt | iSCSI Target daemon with RDMA support |
| snap7 | Step7 Open Source Ethernet Communication Suite |
| sweethome3d.furniture-editor | Quickly create SH3F files and edit the properties of the 3D models it contain |
| swayfx | Sway, but with eye candy |
| sticky | Sticky notes app for the Linux desktop |
| tabbed | Simple generic tabbed fronted to xembed aware applications |
| spotifywm | Wrapper around Spotify that correctly sets class name before opening the window |
| stevia | User friendly on screen keyboard for Phosh |
| taler-wallet-core | CLI wallet for GNU Taler written in TypeScript and Anastasis Web UI |
| talentedhack | LV2 port of Autotalent pitch correction plugin |
| systemd-wait | Wait for a systemd unit to enter a specific state |
| subtitleeditor | GTK 3 application to edit video subtitles |
| seq66 | Loop based midi sequencer with Qt GUI derived from seq24 and sequencer64 |
| tbe | Physics-based game vaguely similar to Incredible Machine |
| splix | CUPS drivers for SPL (Samsung Printer Language) printers |
| syslogng | Next-generation syslogd with advanced networking and filtering capabilities |
| serviio | UPnP Media Streaming Server |
| swiftshader | High-performance CPU-based implementation of the Vulkan 1.3 graphics API |
| sturmflut | Fast (80+ Gbit/s) pixelflut client with full IPv6 and animation support |
| swh_lv2 | LV2 version of Steve Harris' SWH plugins |
| tango-cpp | Tango Distributed Control System - C++ library |
| sil-q | Roguelike game set in the First Age of Middle-earth |
| targetcli-fb | Command shell for managing the Linux LIO kernel target |
| sxcs | Minimal X11 Color Picker and Magnifier |
| systemd-bootchart | Boot performance graphing tool from systemd |
| simple64 | Easy to use N64 emulator |