| synthv1 | Old-school 4-oscillator subtractive polyphonic synthesizer with stereo fx |
| sblast | Blast your Linux audio to DLNA receivers |
| sweethome3d.textures-editor | Easily create SH3T files and edit the properties of the texture images it contain |
| swaynotificationcenter | Simple notification daemon with a GUI built for Sway |
| spice-autorandr | Automatically adjust the client window resolution in Linux KVM guests using the SPICE driver |
| taskserver | Server for synchronising Taskwarrior 2 clients |
| solarus | Zelda-like ARPG game engine |
| sequeler | Friendly SQL Client |
| tahoe-lafs | Tahoe-LAFS, a decentralized, fault-tolerant, distributed storage system |
| showmethekey | Show keys you typed on screen |
| setserial | Serial port configuration utility |
| tini | Tiny but valid init for containers |
| sks | Easily deployable & decentralized OpenPGP keyserver |
| swi-prolog-gui | Prolog compiler and interpreter |
| speedscope | Fast and interactive web-based viewer for performance profiles |
| st-snazzy | Snazzy terminal (suckless + beautiful) |
| ser2net | Serial to network connection server |
| seaview | GUI for molecular phylogeny |
| swiften | XMPP library for C++, used by the Swift client |
| signing-party | Collection of several projects relating to OpenPGP |
| singularity-overriden-nixos | |
| thc-ipv6 | IPv6 attack toolkit |
| socalabs-rp2a03 | Socalabs NES Ricoh 2A03 Emulation Plugin |
| tagainijisho | Free, open-source Japanese dictionary and kanji lookup tool |
| stellar-core | Implements the Stellar Consensus Protocol, a federated consensus protocol |
| spectre-meltdown-checker | Spectre & Meltdown vulnerability/mitigation checker for Linux |
| shncpd | Simple, stupid and slow HNCP daemon |
| scmccid | PCSC drivers for linux, for the SCM SCR3310 v2.0 card and others |
| taler-challenger | OAuth 2.0-based authentication service that validates user can receive messages at a certain address |
| tasknc | Ncurses wrapper around taskwarrior |
| semantik | Mind-mapping application for KDE |
| tana | Intelligent all-in-one workspace |
| tanidvr | CLI tool for managing and capturing video from DVRs which use the DVR-IP protocol |
| suricata | Free and open source, mature, fast and robust network threat detection engine |
| snippetexpanderd | Your little expandable text snippet helper daemon |
| soapui | Most Advanced REST & SOAP Testing Tool in the World |
| syspower | Simple power menu/shutdown screen for Hyprland |
| ssl-cert-check | Bourne shell script that can be used to report on expiring SSL certificates |
| snake4 | Game starring a fruit-eating snake |
| taglib-sharp | Library for reading and writing metadata in media files |
| slop | Queries for a selection from the user and prints the region to stdout |
| sqlauncher | Simple QT6 Program Launcher |
| supervise | Minimal unprivileged process supervisor making use of modern Linux features |
| timezonemap | GTK+3 Timezone Map Widget |
| sssd | System Security Services Daemon |
| ssh-tpm-agent | SSH agent with support for TPM sealed keys for public key authentication |
| scorched3d | 3D Clone of the classic Scorched Earth |
| ssw | GNU Spread Sheet Widget |
| swapspace | Dynamic swap manager for Linux |
| syshud | Simple heads up display written in gtkmm 4 |
| sideswap | Cross‑platform, non‑custodial wallet and atomic swap marketplace for the Liquid Network |
| stenc | SCSI Tape Encryption Manager |
| tinycmmc | Tiny CMake Module Collections |
| tangram | Run web apps on your desktop |
| sx | Simple alternative to both xinit and startx for starting a Xorg server |
| smbnetfs | FUSE FS for mounting Samba shares |
| shoreline | Very fast (200+ Gbit/s) pixelflut server written in C with full IPv6 support |
| supermodel | Sega Model 3 Arcade Emulator |
| surf-display | Kiosk browser session manager based on the surf browser |
| slsnif | Serial line sniffer |
| sil | Rogue-like game set in the First Age of Middle-earth |
| slade-unstable | Doom editor |
| sstp | SSTP client for Linux |
| tilda | Gtk based drop down terminal for Linux and Unix |
| service-wrapper | Convenient wrapper for the systemctl commands, borrow from Ubuntu |
| slweb | Static website generator which aims at being simplistic |
| surrealist | Visual management of your SurrealDB database |
| splitcode | Tool for flexible, efficient parsing, interpreting, and editing of technical sequences in sequencing reads |
| teensy-udev-rules | udev rules for the Teensy microcontrollers |
| sutils | Small command-line utilities |
| srt-live-server | Open-source low latency livestreaming server, based on Secure Reliable Tranport (SRT) |
| sysvtools | Utilities related to booting and shutdown |
| stone-kingdoms | Real-time strategy game made with LÖVE based on the original Stronghold by Firefly studios |
| tint2 | Simple panel/taskbar unintrusive and light (memory, cpu, aestetic) |
| tbox | Glib-like multi-platform c library |
| solarus-quest-editor | Editor for the Zelda-like ARPG game engine, Solarus |
| sly | Friendly image editor |
| server-box | Server status & toolbox |
| simple-live-app | Simply Watch Live |
| tango-cpp | Tango Distributed Control System - C++ library |
| supercollider | Programming language for real time audio synthesis |
| simplescreenrecorder | Screen recorder for Linux |
| swaylock-fancy | swaylock bash script that takes a screenshot of the desktop, blurs the background and adds a lock icon and text |
| sdl-jstest | Simple SDL joystick test application for the console |
| sxcs | Minimal X11 Color Picker and Magnifier |
| snap7 | Step7 Open Source Ethernet Communication Suite |
| sticky-notes | Simple sticky notes app for GNOME |
| tinywl | A "minimum viable product" Wayland compositor based on wlroots |
| supermariowar | Fan-made multiplayer Super Mario Bros. style deathmatch game |
| shortwave | Find and listen to internet radio stations |
| tinygettext | A simple gettext replacement that works directly on .po files |
| tinymembench | Simple benchmark for memory throughput and latency |
| snis-unwrapped | Space Nerds In Space, a multi-player spaceship bridge simulator |
| srb2 | Sonic Robo Blast 2 is a 3D Sonic the Hedgehog fangame based on a modified version of Doom Legacy |
| tiny8086 | Open-source small 8086 emulator |
| spatial-shell | Implementing a spatial model inspired by Material Shell, for i3 and sway |
| swell-foop | Puzzle game, previously known as Same GNOME |
| swiftPackages.Foundation | Core utilities, internationalization, and OS independence for Swift |
| taler-wallet-core | CLI wallet for GNU Taler written in TypeScript and Anastasis Web UI |
| sdnotify-wrapper | Use systemd sd_notify without having to link against libsystemd |