| packages/nixpkgs/sssd | System Security Services Daemon |
| packages/nixpkgs/ssh-tpm-agent | SSH agent with support for TPM sealed keys for public key authentication |
| packages/nixpkgs/scorched3d | 3D Clone of the classic Scorched Earth |
| packages/nixpkgs/ssw | GNU Spread Sheet Widget |
| packages/nixpkgs/swapspace | Dynamic swap manager for Linux |
| packages/nixpkgs/syshud | Simple heads up display written in gtkmm 4 |
| packages/nixpkgs/sideswap | Cross‑platform, non‑custodial wallet and atomic swap marketplace for the Liquid Network |
| packages/nixpkgs/stenc | SCSI Tape Encryption Manager |
| packages/nixpkgs/tinycmmc | Tiny CMake Module Collections |
| packages/nixpkgs/tangram | Run web apps on your desktop |
| packages/nixpkgs/sx | Simple alternative to both xinit and startx for starting a Xorg server |
| packages/nixpkgs/smbnetfs | FUSE FS for mounting Samba shares |
| packages/nixpkgs/shoreline | Very fast (200+ Gbit/s) pixelflut server written in C with full IPv6 support |
| packages/nixpkgs/supermodel | Sega Model 3 Arcade Emulator |
| packages/nixpkgs/surf-display | Kiosk browser session manager based on the surf browser |
| packages/nixpkgs/slsnif | Serial line sniffer |
| packages/nixpkgs/sil | Rogue-like game set in the First Age of Middle-earth |
| packages/nixpkgs/slade-unstable | Doom editor |
| packages/nixpkgs/sstp | SSTP client for Linux |
| packages/nixpkgs/tilda | Gtk based drop down terminal for Linux and Unix |
| packages/nixpkgs/service-wrapper | Convenient wrapper for the systemctl commands, borrow from Ubuntu |
| packages/nixpkgs/slweb | Static website generator which aims at being simplistic |
| packages/nixpkgs/surrealist | Visual management of your SurrealDB database |
| packages/nixpkgs/splitcode | Tool for flexible, efficient parsing, interpreting, and editing of technical sequences in sequencing reads |
| packages/nixpkgs/teensy-udev-rules | udev rules for the Teensy microcontrollers |
| packages/nixpkgs/sutils | Small command-line utilities |
| packages/nixpkgs/srt-live-server | Open-source low latency livestreaming server, based on Secure Reliable Tranport (SRT) |
| packages/nixpkgs/sysvtools | Utilities related to booting and shutdown |
| packages/nixpkgs/stone-kingdoms | Real-time strategy game made with LÖVE based on the original Stronghold by Firefly studios |
| packages/nixpkgs/tint2 | Simple panel/taskbar unintrusive and light (memory, cpu, aestetic) |
| packages/nixpkgs/tbox | Glib-like multi-platform c library |
| packages/nixpkgs/solarus-quest-editor | Editor for the Zelda-like ARPG game engine, Solarus |
| packages/nixpkgs/sly | Friendly image editor |
| packages/nixpkgs/server-box | Server status & toolbox |
| packages/nixpkgs/simple-live-app | Simply Watch Live |
| packages/nixpkgs/tango-cpp | Tango Distributed Control System - C++ library |
| packages/nixpkgs/supercollider | Programming language for real time audio synthesis |
| packages/nixpkgs/simplescreenrecorder | Screen recorder for Linux |
| packages/nixpkgs/swaylock-fancy | swaylock bash script that takes a screenshot of the desktop, blurs the background and adds a lock icon and text |
| packages/nixpkgs/sdl-jstest | Simple SDL joystick test application for the console |
| packages/nixpkgs/sxcs | Minimal X11 Color Picker and Magnifier |
| packages/nixpkgs/snap7 | Step7 Open Source Ethernet Communication Suite |
| packages/nixpkgs/sticky-notes | Simple sticky notes app for GNOME |
| packages/nixpkgs/tinywl | A "minimum viable product" Wayland compositor based on wlroots |
| packages/nixpkgs/supermariowar | Fan-made multiplayer Super Mario Bros. style deathmatch game |
| packages/nixpkgs/shortwave | Find and listen to internet radio stations |
| packages/nixpkgs/tinygettext | A simple gettext replacement that works directly on .po files |
| packages/nixpkgs/tinymembench | Simple benchmark for memory throughput and latency |
| packages/nixpkgs/snis-unwrapped | Space Nerds In Space, a multi-player spaceship bridge simulator |
| packages/nixpkgs/srb2 | Sonic Robo Blast 2 is a 3D Sonic the Hedgehog fangame based on a modified version of Doom Legacy |
| packages/nixpkgs/tiny8086 | Open-source small 8086 emulator |
| packages/nixpkgs/spatial-shell | Implementing a spatial model inspired by Material Shell, for i3 and sway |
| packages/nixpkgs/swell-foop | Puzzle game, previously known as Same GNOME |
| packages/nixpkgs/swiftPackages.Foundation | Core utilities, internationalization, and OS independence for Swift |
| packages/nixpkgs/taler-wallet-core | CLI wallet for GNU Taler written in TypeScript and Anastasis Web UI |
| packages/nixpkgs/sdnotify-wrapper | Use systemd sd_notify without having to link against libsystemd |
| packages/nixpkgs/strutcpp | Collection of string utilities |
| packages/nixpkgs/thunderbolt | Thunderbolt user-space components |
| packages/nixpkgs/tftp-hpa | TFTP tools - a lot of fixes on top of BSD TFTP |
| packages/nixpkgs/televido | Viewer for German-language public broadcasting live streams and archives |
| packages/nixpkgs/tellico | Collection management software, free and simple |
| packages/nixpkgs/swayfx | Sway, but with eye candy |
| packages/nixpkgs/squishyball | Tool to perform sample comparison testing on the command line |
| packages/nixpkgs/syslogng | Next-generation syslogd with advanced networking and filtering capabilities |
| packages/nixpkgs/sqlitestudio | Free, open source, multi-platform SQLite database manager |
| packages/nixpkgs/supercollider-with-plugins | Programming language for real time audio synthesis |
| packages/nixpkgs/surreal-engine | Reimplementation of the original Unreal Engine |
| packages/nixpkgs/styluslabs-write-bin | Write is a word processor for handwriting |
| packages/nixpkgs/seafile-client | Desktop client for Seafile, the Next-generation Open Source Cloud Storage |
| packages/nixpkgs/taler-sync | Backup and synchronization service |
| packages/nixpkgs/sinit | Very minimal Linux init implementation from suckless.org |
| packages/nixpkgs/sgt-puzzles | Simon Tatham's portable puzzle collection |
| packages/nixpkgs/taskopen | Script for taking notes and open urls with taskwarrior |
| packages/nixpkgs/sleek-grub-theme | Grub bootloader themes, contains light/dark/orange/bigSur styles |
| packages/nixpkgs/sturmflut | Fast (80+ Gbit/s) pixelflut client with full IPv6 and animation support |
| packages/nixpkgs/swayosd | GTK based on screen display for keyboard shortcuts |
| packages/nixpkgs/svkbd | Simple virtual keyboard |
| packages/nixpkgs/ta-lib | Add technical analysis to your own financial market trading applications |
| packages/nixpkgs/socalabs-sid | Socalabs Commodore 64 SID Emulation Plugin |
| packages/nixpkgs/shellhub-agent | Enables easy access any Linux device behind firewall and NAT |
| packages/nixpkgs/swift-corelibs-libdispatch | Grand Central Dispatch |
| packages/nixpkgs/sbctl | Secure Boot key manager |
| packages/nixpkgs/tdrop | Glorified WM-Independent Dropdown Creator |
| packages/nixpkgs/stone-phaser | Classic analog phaser effect, made with DPF and Faust |
| packages/nixpkgs/swaytools | Collection of simple tools for sway (and i3) |
| packages/nixpkgs/smem | Memory usage reporting tool that takes shared memory into account |
| packages/nixpkgs/timemachine | JACK audio recorder |
| packages/nixpkgs/sonata | Elegant client for the Music Player Daemon |
| packages/nixpkgs/systembus-notify | System bus notification daemon |
| packages/nixpkgs/system-config-printer | |
| packages/nixpkgs/sdbus-cpp | High-level C++ D-Bus library designed to provide easy-to-use yet powerful API |
| packages/nixpkgs/superTux | Classic 2D jump'n run sidescroller game |
| packages/nixpkgs/tiscamera | Linux sources and UVC firmwares for The Imaging Source cameras |
| packages/nixpkgs/su-exec | Switch user and group id and exec |
| packages/nixpkgs/smart-wallpaper | Simple bash script that automatically changes your wallpaper depending on if its daytime or nighttime |
| packages/nixpkgs/swaykbdd | Per-window keyboard layout for Sway |
| packages/nixpkgs/scrot | Command-line screen capture utility |
| packages/nixpkgs/tcptrack | libpcap based program for live TCP connection monitoring |
| packages/nixpkgs/selinux-python | SELinux policy core utilities written in Python |
| packages/nixpkgs/splix | CUPS drivers for SPL (Samsung Printer Language) printers |