| packages/nixpkgs/shtns | High performance library for Spherical Harmonic Transform |
| packages/nixpkgs/tlmi-auth | Utility for creating signature strings needed for thinklmi certificate based authentication |
| packages/nixpkgs/tana | Intelligent all-in-one workspace |
| packages/nixpkgs/solfege | Ear training program |
| packages/nixpkgs/supercollider-with-plugins | Programming language for real time audio synthesis |
| packages/nixpkgs/supergee | Vala based UI for beets |
| packages/nixpkgs/tetragon | Real-time, eBPF-based Security Observability and Runtime Enforcement tool |
| packages/nixpkgs/screenkey | Screencast tool to display your keys inspired by Screenflick |
| packages/nixpkgs/tiptop | Performance monitoring tool for Linux |
| packages/nixpkgs/swaylock | Screen locker for Wayland |
| packages/nixpkgs/swapspace | Dynamic swap manager for Linux |
| packages/nixpkgs/sentry-native | Sentry SDK for C, C++ and native applications |
| packages/nixpkgs/systemdgenie | Systemd management utility |
| packages/nixpkgs/spotify-cli-linux | Command line interface to Spotify on Linux |
| packages/nixpkgs/thc-ipv6 | IPv6 attack toolkit |
| packages/nixpkgs/tail-tray | Tray icon to manage Tailscale |
| packages/nixpkgs/spice-vdagent | Enhanced SPICE integration for linux QEMU guest |
| packages/nixpkgs/suricata | Free and open source, mature, fast and robust network threat detection engine |
| packages/nixpkgs/selinux-python | SELinux policy core utilities written in Python |
| packages/nixpkgs/tango-database | Tango distributed control system - database server |
| packages/nixpkgs/tanidvr | CLI tool for managing and capturing video from DVRs which use the DVR-IP protocol |
| packages/nixpkgs/sgt-puzzles | Simon Tatham's portable puzzle collection |
| packages/nixpkgs/ta-lib | Add technical analysis to your own financial market trading applications |
| packages/nixpkgs/solarus-launcher | Launcher for the Zelda-like ARPG game engine, Solarus |
| packages/nixpkgs/solvespace | Parametric 3d CAD program |
| packages/nixpkgs/slstatus | Status monitor for window managers that use WM_NAME like dwm |
| packages/nixpkgs/sdbus-cpp | High-level C++ D-Bus library designed to provide easy-to-use yet powerful API |
| packages/nixpkgs/sshfs-fuse | FUSE-based filesystem that allows remote filesystems to be mounted over SSH |
| packages/nixpkgs/sssd | System Security Services Daemon |
| packages/nixpkgs/sunpaper | Utility to change wallpaper based on local weather, sunrise and sunset times |
| packages/nixpkgs/swaycwd | Returns cwd for shell in currently focused sway window, or home directory if cannot find shell |
| packages/nixpkgs/systemd-lock-handler | Translates systemd-system lock/sleep signals into systemd-user target activations |
| packages/nixpkgs/timemachine | JACK audio recorder |
| packages/nixpkgs/strace | System call tracer for Linux |
| packages/nixpkgs/swiften | XMPP library for C++, used by the Swift client |
| packages/nixpkgs/smemstat | Memory usage monitoring tool |
| packages/nixpkgs/styluslabs-write-bin | Write is a word processor for handwriting |
| packages/nixpkgs/swell-foop | Puzzle game, previously known as Same GNOME |
| packages/nixpkgs/timew-sync-server | Server component of timewarrior synchronization application |
| packages/nixpkgs/singularity-overriden-nixos | |
| packages/nixpkgs/system-config-printer | |
| packages/nixpkgs/speechd | Common interface to speech synthesis |
| packages/nixpkgs/slade | Doom editor |
| packages/nixpkgs/slade-unstable | Doom editor |
| packages/nixpkgs/sienna | Fast-paced one button platformer |
| packages/nixpkgs/siril | Astrophotographic image processing tool |
| packages/nixpkgs/sdparm | Utility to access SCSI device parameters |
| packages/nixpkgs/spooftooph | Automate spoofing or clone Bluetooth device Name, Class, and Address |
| packages/nixpkgs/sogo | Very fast and scalable modern collaboration suite (groupware) |
| packages/nixpkgs/stalonetray | Stand alone tray |
| packages/nixpkgs/simp_le | Simple Let's Encrypt client |
| packages/nixpkgs/teensyduino | Open-source electronics prototyping platform |
| packages/nixpkgs/sfrotz | Interpreter for Infocom and other Z-Machine games (SDL interface) |
| packages/nixpkgs/theme-obsidian2 | Gnome theme based upon Adwaita-Maia dark skin |
| packages/nixpkgs/tagutil | Scriptable music files tags tool and editor |
| packages/nixpkgs/sixpair | Pair with SIXAXIS controllers over USB |
| packages/nixpkgs/sunshine | Game stream host for Moonlight |
| packages/nixpkgs/sunxi-tools | Tools for Allwinner SoC devices |
| packages/nixpkgs/tela-circle-icon-theme | Flat and colorful personality icon theme |
| packages/nixpkgs/texmaker | TeX and LaTeX editor |
| packages/nixpkgs/tessen | Interactive menu to autotype and copy Pass and GoPass data |
| packages/nixpkgs/statping-ng | Status Page for monitoring your websites and applications with beautiful graphs, analytics, and plugins |
| packages/nixpkgs/seadrive-gui | GUI part of Seafile drive |
| packages/nixpkgs/seasocks | Tiny embeddable C++ HTTP and WebSocket server |
| packages/nixpkgs/tetraproc | Converts the A-format signals from a tetrahedral Ambisonic microphone into B-format signals ready for recording |
| packages/nixpkgs/sfizz | SFZ jack client and LV2 plugin |
| packages/nixpkgs/signify | OpenBSD signing tool |
| packages/nixpkgs/soapysdrplay | Soapy SDR module for SDRplay |
| packages/nixpkgs/sysmenu | Simple program launcher using GTK4 |
| packages/nixpkgs/supersonic-wayland | Lightweight cross-platform desktop client for Subsonic music servers |
| packages/nixpkgs/srandrd | Simple randr daemon |
| packages/nixpkgs/seren | Simple ncurses VoIP program based on the Opus codec |
| packages/nixpkgs/sysvinit | Utilities related to booting and shutdown |
| packages/nixpkgs/tinycompress | Userspace library for anyone who wants to use the ALSA compressed APIs |
| packages/nixpkgs/ser2net | Serial to network connection server |
| packages/nixpkgs/thttpd | Tiny/turbo/throttling HTTP server |
| packages/nixpkgs/sushi | Quick previewer for Nautilus |
| packages/nixpkgs/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 |
| packages/nixpkgs/signing-party | Collection of several projects relating to OpenPGP |
| packages/nixpkgs/smtube | Play and download Youtube videos |
| packages/nixpkgs/somebar | dwm-like bar for dwl |
| packages/nixpkgs/thunar | Xfce file manager |
| packages/nixpkgs/tango-icon-theme | Basic set of icons |
| packages/nixpkgs/texworks | Simple TeX front-end program inspired by TeXShop |
| packages/nixpkgs/tetrio-plus | Modified TETR |
| packages/nixpkgs/spyder | Scientific python development environment |
| packages/nixpkgs/sx | Simple alternative to both xinit and startx for starting a Xorg server |
| packages/nixpkgs/stacks | Software pipeline for building loci from short-read sequences |
| packages/nixpkgs/supermodel | Sega Model 3 Arcade Emulator |
| packages/nixpkgs/tinycmmc | Tiny CMake Module Collections |
| packages/nixpkgs/tahoe-lafs | Tahoe-LAFS, a decentralized, fault-tolerant, distributed storage system |
| packages/nixpkgs/snake4 | Game starring a fruit-eating snake |
| packages/nixpkgs/snippetexpanderd | Your little expandable text snippet helper daemon |
| packages/nixpkgs/swayosd | GTK based on screen display for keyboard shortcuts |
| packages/nixpkgs/tailor-gui | Rust GUI for interacting with hardware from TUXEDO Computers |
| packages/nixpkgs/squirrel-sql | Universal SQL Client |
| packages/nixpkgs/themechanger | Theme changing utility for Linux |
| packages/nixpkgs/shortwave | Find and listen to internet radio stations |
| packages/nixpkgs/tiscamera | Linux sources and UVC firmwares for The Imaging Source cameras |
| packages/nixpkgs/svaba | Structural variant and INDEL caller for DNA sequencing data, using genome-wide local assembly |