| packages/nixpkgs/sdl3-shadercross | Shader translation library |
| packages/nixpkgs/sope | Extensive set of frameworks which form a complete Web application server environment |
| packages/nixpkgs/symcc | Efficient compiler-based symbolic execution |
| packages/nixpkgs/spyder | Scientific python development environment |
| packages/nixpkgs/ssl-cert-check | Bourne shell script that can be used to report on expiring SSL certificates |
| packages/nixpkgs/sfwbar | Flexible taskbar application for wayland compositors, designed with a stacking layout in mind |
| packages/nixpkgs/simgear | Simulation construction toolkit |
| packages/nixpkgs/stevia | User friendly on screen keyboard for Phosh |
| packages/nixpkgs/sly | Friendly image editor |
| packages/nixpkgs/strace | System call tracer for Linux |
| packages/nixpkgs/soundconverter | Leading audio file converter for the GNOME Desktop |
| packages/nixpkgs/sysmenu | Simple program launcher using GTK4 |
| packages/nixpkgs/simpleBluez | C++ abstraction layer for BlueZ over DBus |
| packages/nixpkgs/smc | Generate state machine code from text input (state diagram) |
| packages/nixpkgs/sstp | SSTP client for Linux |
| packages/nixpkgs/sommelier | Nested Wayland compositor with support for X11 forwarding |
| packages/nixpkgs/tango-icon-theme | Basic set of icons |
| packages/nixpkgs/sfxr-qt | Sound effect generator, QtQuick port of sfxr |
| packages/nixpkgs/srsran | Open-source 4G and 5G software radio suite |
| packages/nixpkgs/ssdfs-utils | SSDFS file system utilities |
| packages/nixpkgs/srandrd | Simple randr daemon |
| packages/nixpkgs/taxi | FTP Client that drives you anywhere |
| packages/nixpkgs/slock | Simple X display locker |
| packages/nixpkgs/snis-assets | Assets for Space Nerds In Space, a multi-player spaceship bridge simulator |
| packages/nixpkgs/simplenes | NES emulator written in C++ |
| packages/nixpkgs/tlp | Advanced Power Management for Linux |
| packages/nixpkgs/stenc | SCSI Tape Encryption Manager |
| packages/nixpkgs/sticky-notes | Simple sticky notes app for GNOME |
| packages/nixpkgs/timbreid | Collection of audio feature analysis externals for puredata |
| packages/nixpkgs/sunpaper | Utility to change wallpaper based on local weather, sunrise and sunset times |
| packages/nixpkgs/textcompare | Simple desktop app to compare old and new text |
| packages/nixpkgs/tgt | iSCSI Target daemon with RDMA support |
| packages/nixpkgs/squid | Caching proxy for the Web supporting HTTP, HTTPS, FTP, and more |
| packages/nixpkgs/tlspool | TLS daemon with PKCS #11 backend |
| packages/nixpkgs/supersonic-wayland | Lightweight cross-platform desktop client for Subsonic music servers |
| packages/nixpkgs/slop | Queries for a selection from the user and prints the region to stdout |
| packages/nixpkgs/tinycompress | Userspace library for anyone who wants to use the ALSA compressed APIs |
| packages/nixpkgs/sysctl | |
| packages/nixpkgs/sideswap | Cross‑platform, non‑custodial wallet and atomic swap marketplace for the Liquid Network |
| packages/nixpkgs/sp800-90b-entropyassessment | Implementation of min-entropy assessment methods included in Special Publication 800-90B |
| packages/nixpkgs/seahorse | Application for managing encryption keys and passwords in the GnomeKeyring |
| packages/nixpkgs/semodule-utils | SELinux policy core utilities (packaging additions) |
| packages/nixpkgs/snippetpixie | Your little expandable text snippet helper |
| packages/nixpkgs/stellar-core | Implements the Stellar Consensus Protocol, a federated consensus protocol |
| packages/nixpkgs/slirp4netns | User-mode networking for unprivileged network namespaces |
| packages/nixpkgs/spice-vdagent | Enhanced SPICE integration for linux QEMU guest |
| packages/nixpkgs/supercollider-with-sc3-plugins | Programming language for real time audio synthesis |
| packages/nixpkgs/swiften | XMPP library for C++, used by the Swift client |
| packages/nixpkgs/socalabs-voc | Socalabs Wacky Vocal Synthesizer Plugin |
| packages/nixpkgs/snippetexpandergui | Your little expandable text snippet helper GUI |
| packages/nixpkgs/timezonemap | GTK+3 Timezone Map Widget |
| packages/nixpkgs/tinyalsa | Tiny library to interface with ALSA in the Linux kernel |
| packages/nixpkgs/tinygettext | A simple gettext replacement that works directly on .po files |
| packages/nixpkgs/singularity-overriden-nixos | |
| packages/nixpkgs/shncpd | Simple, stupid and slow HNCP daemon |
| packages/nixpkgs/sedutil | DTA sedutil Self encrypting drive software |
| packages/nixpkgs/swaylock-plugin | Screen locker for Wayland, forked from swaylock |
| packages/nixpkgs/syspower | Simple power menu/shutdown screen for Hyprland |
| packages/nixpkgs/selinux-refpolicy | SELinux Reference Policy v2 |
| packages/nixpkgs/textpieces | Swiss knife of text processing |
| packages/nixpkgs/simple-mtpfs | Simple MTP fuse filesystem driver |
| packages/nixpkgs/socalabs-papu | Socalabs Nintendo Gameboy PAPU Emulation Plugin |
| packages/nixpkgs/tcp_wrappers | TCP Wrappers, a network logger, also known as TCPD or LOG_TCP |
| packages/nixpkgs/teensy-udev-rules | udev rules for the Teensy microcontrollers |
| packages/nixpkgs/smem | Memory usage reporting tool that takes shared memory into account |
| packages/nixpkgs/spotify-cli-linux | Command line interface to Spotify on Linux |
| packages/nixpkgs/server-box | Server status & toolbox |
| packages/nixpkgs/taler-wallet-core | CLI wallet for GNU Taler written in TypeScript and Anastasis Web UI |
| packages/nixpkgs/skippy-xd | Expose-style compositing-based standalone window switcher |
| packages/nixpkgs/smartdns | Local DNS server to obtain the fastest website IP for the best Internet experience |
| packages/nixpkgs/sonic-pi | Free live coding synth for everyone originally designed to support computing and music lessons within schools |
| packages/nixpkgs/selectdefaultapplication | Very simple application that lets you define default applications on Linux in a sane way |
| packages/nixpkgs/sblast | Blast your Linux audio to DLNA receivers |
| packages/nixpkgs/surrealist | Visual management of your SurrealDB database |
| packages/nixpkgs/swiftPackages.Dispatch | Grand Central Dispatch |
| packages/nixpkgs/swapspace | Dynamic swap manager for Linux |
| packages/nixpkgs/slacky | Unofficial Slack desktop client for arm64 Linux |
| packages/nixpkgs/themix-gui | Graphical application for designing themes and exporting them using plugins |
| packages/nixpkgs/speedscope | Fast and interactive web-based viewer for performance profiles |
| packages/nixpkgs/stepmania | Free dance and rhythm game for Windows, Mac, and Linux |
| packages/nixpkgs/solidtime-desktop | Modern open-source time-tracking app |
| packages/nixpkgs/sweethome3d.textures-editor | Easily create SH3T files and edit the properties of the texture images it contain |
| packages/nixpkgs/tautulli | Python based monitoring and tracking tool for Plex Media Server |
| packages/nixpkgs/tiramisu | Desktop notifications, the UNIX way |
| packages/nixpkgs/signing-party | Collection of several projects relating to OpenPGP |
| packages/nixpkgs/tangram | Run web apps on your desktop |
| packages/nixpkgs/tartube-yt-dlp | GUI front-end for youtube-dl |
| packages/nixpkgs/spice-up | Create simple and beautiful presentations |
| packages/nixpkgs/serviio | UPnP Media Streaming Server |
| packages/nixpkgs/scanbd | Scanner button daemon |
| packages/nixpkgs/sgdboop | Applying custom artwork to Steam, using SteamGridDB |
| packages/nixpkgs/sooperlooper | Live looping sampler capable of immediate loop recording, overdubbing, multiplying, reversing and more |
| packages/nixpkgs/tacacsplus | Protocol for authentication, authorization and accounting (AAA) services for routers and network devices |
| packages/nixpkgs/signify | OpenBSD signing tool |
| packages/nixpkgs/spfft | Sparse 3D FFT library with MPI, OpenMP, CUDA and ROCm support |
| packages/nixpkgs/syntex | Texture synthesis from examples |
| packages/nixpkgs/switcheroo-control | D-Bus service to check the availability of dual-GPU |
| packages/nixpkgs/ticketbooth | Keep track of your favorite shows |
| packages/nixpkgs/selinux-python | SELinux policy core utilities written in Python |
| packages/nixpkgs/sddm-astronaut | Modern looking qt6 sddm theme |