| sparse | Semantic parser for C |
| tilix | Tiling terminal emulator following the Gnome Human Interface Guidelines |
| taler-merchant | Merchant component for the GNU Taler electronic payment system |
| slirp4netns | User-mode networking for unprivileged network namespaces |
| scid-vs-pc | Chess database with play and training functionality |
| singularity | Application containers for linux (Sylabs Inc's fork of Singularity, a.k.a. SingularityCE) |
| slurp | Select a region in a Wayland compositor |
| statifier | Tool for creating static Linux binaries |
| tlp | Advanced Power Management for Linux |
| teensyduino | Open-source electronics prototyping platform |
| tcpkali | High performance TCP and WebSocket load generator and sink |
| snapper | Tool for Linux filesystem snapshot management |
| taler-twister | Fault injector for HTTP traffic |
| tango-database | Tango distributed control system - database server |
| sushi | Quick previewer for Nautilus |
| sway-unwrapped | I3-compatible tiling Wayland compositor |
| sysctl | |
| sshfs | FUSE-based filesystem that allows remote filesystems to be mounted over SSH |
| siglo | GTK app to sync InfiniTime watch with PinePhone |
| swayimg | Image viewer for Sway/Wayland |
| shotwell | Popular photo organizer for the GNOME desktop |
| sbs | Simple background setter with 200 lines of code |
| sem | Cli to operate on semaphore ci (2.0) |
| solaar | Linux devices manager for the Logitech Unifying Receiver |
| slurm-spank-stunnel | Plugin for SLURM for SSH tunneling and port forwarding support |
| steam-devices-udev-rules | Udev rules list for gaming devices |
| sway-assign-cgroups | Place GUI applications into systemd scopes for systemd-oomd compatibility |
| swaylock-plugin | Screen locker for Wayland, forked from swaylock |
| stalonetray | Stand alone tray |
| textcompare | Simple desktop app to compare old and new text |
| textsnatcher | Copy Text from Images with ease, Perform OCR operations in seconds |
| supercolliderPlugins.sc3-plugins | Community plugins for SuperCollider |
| smc | Generate state machine code from text input (state diagram) |
| spi-tools | Simple command line tools to help using Linux spidev devices |
| screenkey | Screencast tool to display your keys inspired by Screenflick |
| splayer | Simple Netease Cloud Music player |
| tetragon | Real-time, eBPF-based Security Observability and Runtime Enforcement tool |
| subtitleeditor | GTK 3 application to edit video subtitles |
| t4kcommon | Library of code shared between tuxmath and tuxtype |
| sway-audio-idle-inhibit | Prevent swayidle/hypridle from sleeping |
| seahorse | Application for managing encryption keys and passwords in the GnomeKeyring |
| statping-ng | Status Page for monitoring your websites and applications with beautiful graphs, analytics, and plugins |
| scipopt-zimpl | Zuse Institut Mathematical Programming Language |
| skawarePackages.s6-linux-init | Set of minimalistic tools used to create a s6-based init system, including a /sbin/init binary, on a Linux kernel |
| switchres | Modeline generation engine for emulation |
| test-drive | Procedural Fortran testing framework |
| swh_lv2 | LV2 version of Steve Harris' SWH plugins |
| spotify-tray | Adds a tray icon to the Spotify Linux client application |
| skawarePackages.s6-linux-utils | Set of minimalistic Linux-specific system utilities |
| sp800-90b-entropyassessment | Implementation of min-entropy assessment methods included in Special Publication 800-90B |
| selinux-sandbox | SELinux sandbox utility |
| snippetpixie | Your little expandable text snippet helper |
| smartdeblur | Tool for restoring blurry and defocused images |
| sommelier | Nested Wayland compositor with support for X11 forwarding |
| swiftPackages.Dispatch | Grand Central Dispatch |
| sysvinit | Utilities related to booting and shutdown |
| tartube | GUI front-end for youtube-dl |
| sway | I3-compatible tiling Wayland compositor |
| snis | Space Nerds In Space, a multi-player spaceship bridge simulator |
| sysfsutils | |
| teavpn2 | Open source VPN Software |
| simple-dftd3 | Reimplementation of the DFT-D3 program |
| steamworks | Configuration information distributed over LDAP in near realtime |
| speech-denoiser | Speech denoise lv2 plugin based on RNNoise library |
| scanmem | Memory scanner for finding and poking addresses in executing processes |
| swayidle | Idle management daemon for Wayland |
| tinyfecvpn | VPN Designed for Lossy Links, with Build-in Forward Error Correction(FEC) Support |
| speechd | Common interface to speech synthesis |
| smooth | Object-oriented class library for C++ application development |
| spotifywm | Wrapper around Spotify that correctly sets class name before opening the window |
| shadershark | OpenGL/X11 application for GNU/Linux consisting of a single window that shows simple 3D scene of a textured rectangle with applied vertex and fragment shaders (GLSL) |
| sedutil | DTA sedutil Self encrypting drive software |
| slobdict | Modern, lightweight GTK 4 dictionary app |
| sixpair | Pair with SIXAXIS controllers over USB |
| storeBackup | Backup suite that stores files on other disks |
| squeekboard | Virtual keyboard supporting Wayland |
| sc2-headless | Starcraft II headless linux client for machine learning research |
| stretchly | Break time reminder app |
| smtube | Play and download Youtube videos |
| theme-jade1 | Based on Linux Mint theme with dark menus and more intensive green |
| snort | Network intrusion prevention and detection system (IDS/IPS) |
| texmaker | TeX and LaTeX editor |
| syscall_limiter | Start Linux programs with only selected syscalls enabled |
| ticketbooth | Keep track of your favorite shows |
| scrutiny | Hard Drive S.M.A.R.T Monitoring, Historical Trends & Real World Failure Thresholds |
| tpm-luks | LUKS key storage in TPM NVRAM |
| urbanterror | Multiplayer tactical FPS on top of Quake 3 engine |
| vue | Visual Understanding Environment - mind mapping software |
| vmime | Free mail library for C++ |
| turntable | Scrobbles your music to multiple services with playback controls for MPRIS players |
| xf86-video-v4l | Video 4 Linux adaptor driver for the Xorg X server |
| trackma | Open multi-site list manager for Unix-like systems (ex-wMAL) |
| xfractint | |
| wineasio | ASIO to JACK driver for WINE |
| xfce4-alsa-plugin | Simple ALSA volume control for xfce4-panel |
| wlock | Sessionlocker for Wayland compositors that support the ext-session-lock-v1 protocol |
| xfce4-notifyd | Simple notification daemon for Xfce |
| tractor | Setup a proxy with Onion Routing via TOR and optionally obfs4proxy |
| xbomb | Minesweeper for X11 with various grid sizes and shapes |
| uhhyou-plugins-juce | A collection of VST3 effect plugins |