| swayfx | Sway, but with eye candy |
| squishyball | Tool to perform sample comparison testing on the command line |
| syslogng | Next-generation syslogd with advanced networking and filtering capabilities |
| sqlitestudio | Free, open source, multi-platform SQLite database manager |
| supercollider-with-plugins | Programming language for real time audio synthesis |
| surreal-engine | Reimplementation of the original Unreal Engine |
| styluslabs-write-bin | Write is a word processor for handwriting |
| seafile-client | Desktop client for Seafile, the Next-generation Open Source Cloud Storage |
| taler-sync | Backup and synchronization service |
| sinit | Very minimal Linux init implementation from suckless.org |
| sgt-puzzles | Simon Tatham's portable puzzle collection |
| taskopen | Script for taking notes and open urls with taskwarrior |
| sleek-grub-theme | Grub bootloader themes, contains light/dark/orange/bigSur styles |
| sturmflut | Fast (80+ Gbit/s) pixelflut client with full IPv6 and animation support |
| swayosd | GTK based on screen display for keyboard shortcuts |
| svkbd | Simple virtual keyboard |
| ta-lib | Add technical analysis to your own financial market trading applications |
| socalabs-sid | Socalabs Commodore 64 SID Emulation Plugin |
| shellhub-agent | Enables easy access any Linux device behind firewall and NAT |
| swift-corelibs-libdispatch | Grand Central Dispatch |
| sbctl | Secure Boot key manager |
| tdrop | Glorified WM-Independent Dropdown Creator |
| stone-phaser | Classic analog phaser effect, made with DPF and Faust |
| swaytools | Collection of simple tools for sway (and i3) |
| smem | Memory usage reporting tool that takes shared memory into account |
| timemachine | JACK audio recorder |
| sonata | Elegant client for the Music Player Daemon |
| systembus-notify | System bus notification daemon |
| system-config-printer | |
| sdbus-cpp | High-level C++ D-Bus library designed to provide easy-to-use yet powerful API |
| superTux | Classic 2D jump'n run sidescroller game |
| tiscamera | Linux sources and UVC firmwares for The Imaging Source cameras |
| su-exec | Switch user and group id and exec |
| smart-wallpaper | Simple bash script that automatically changes your wallpaper depending on if its daytime or nighttime |
| swaykbdd | Per-window keyboard layout for Sway |
| scrot | Command-line screen capture utility |
| tcptrack | libpcap based program for live TCP connection monitoring |
| selinux-python | SELinux policy core utilities written in Python |
| splix | CUPS drivers for SPL (Samsung Printer Language) printers |
| tableplus | Database management made easy |
| timew-sync-server | Server component of timewarrior synchronization application |
| 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 |