| sleek-grub-theme | Grub bootloader themes, contains light/dark/orange/bigSur styles |
| schroot | Lightweight virtualisation tool |
| tasknc | Ncurses wrapper around taskwarrior |
| tango-cpp | Tango Distributed Control System - C++ library |
| tayga | Userland stateless NAT64 daemon |
| sysstat | Collection of performance monitoring tools for Linux (such as sar, iostat and pidstat) |
| talentedhack | LV2 port of Autotalent pitch correction plugin |
| scmccid | PCSC drivers for linux, for the SCM SCR3310 v2.0 card and others |
| syscall_limiter | Start Linux programs with only selected syscalls enabled |
| seq66 | Loop based midi sequencer with Qt GUI derived from seq24 and sequencer64 |
| snis-unwrapped | Space Nerds In Space, a multi-player spaceship bridge simulator |
| sway | I3-compatible tiling Wayland compositor |
| stacktile | Layout generator for the river Wayland compositor |
| thunar-archive-plugin | Thunar plugin providing file context menus for archives |
| ssw | GNU Spread Sheet Widget |
| synaesthesia | Program for representing sounds visually |
| supermin | Tool for creating and building supermin appliances |
| squishyball | Tool to perform sample comparison testing on the command line |
| stremio | Modern media center that gives you the freedom to watch everything you want |
| tlf | Advanced ham radio logging and contest program |
| tellico | Collection management software, free and simple |
| soapysdrplay | Soapy SDR module for SDRplay |
| stuntrally | 3D racing game with Sci-Fi elements and own Track Editor |
| tint2 | Simple panel/taskbar unintrusive and light (memory, cpu, aestetic) |
| target-isns | iSNS client for the Linux LIO iSCSI target |
| slade-unstable | Doom editor |
| swiftshader | High-performance CPU-based implementation of the Vulkan 1.3 graphics API |
| tinycmmc | Tiny CMake Module Collections |
| timeshift-unwrapped | System restore tool for Linux |
| sogo | Very fast and scalable modern collaboration suite (groupware) |
| scrot | Command-line screen capture utility |
| televido | Viewer for German-language public broadcasting live streams and archives |
| sdbus-cpp | High-level C++ D-Bus library designed to provide easy-to-use yet powerful API |
| sycl-info | Tool to show information about available SYCL implementations |
| systemd-wait | Wait for a systemd unit to enter a specific state |
| ta-lib | Add technical analysis to your own financial market trading applications |
| svkbd | Simple virtual keyboard |
| schedtool | Query or alter a process' scheduling policy under Linux |
| soxt | GUI binding for using Open Inventor with Xt/Motif |
| smartsynchronize | File Manager, File/Directory Compare |
| tlp-pd | Power-rofiles-daemon like DBus interface for TLP |
| sdnotify-wrapper | Use systemd sd_notify without having to link against libsystemd |
| swi-prolog-gui | Prolog compiler and interpreter |
| tbox | Glib-like multi-platform c library |
| seamly2d | Open source patternmaking software |
| switchres | Modeline generation engine for emulation |
| snap7 | Step7 Open Source Ethernet Communication Suite |
| test-drive | Procedural Fortran testing framework |
| solfege | Ear training program |
| skawarePackages.mdevd | mdev-compatible Linux hotplug manager daemon |
| snis | Space Nerds In Space, a multi-player spaceship bridge simulator |
| tessen | Interactive menu to autotype and copy Pass and GoPass data |
| snzip | Compression/decompression tool based on snappy |
| swayfx-unwrapped | Sway, but with eye candy |
| supercollider-with-plugins | Programming language for real time audio synthesis |
| timekpr | Manages and restricts user screen time by enforcing time limits |
| tiny-cuda-nn | Lightning fast C++/CUDA neural network framework |
| sway-launcher-desktop | TUI Application launcher with Desktop Entry support |
| supermariowar | Fan-made multiplayer Super Mario Bros. style deathmatch game |
| thumbdrives | USB mass storage emulator for Linux handhelds |
| sqlitestudio-plugins | Official plugins for SQLiteStudio, a free, open source, multi-platform SQLite database manager |
| supercollider_scel | Programming language for real time audio synthesis |
| swayidle | Idle management daemon for Wayland |
| scanservjs | SANE scanner nodejs web ui |
| smbnetfs | FUSE FS for mounting Samba shares |
| tetrio-plus | Modified TETR.IO desktop app.asar with many customization tools |
| tlmi-auth | Utility for creating signature strings needed for thinklmi certificate based authentication |
| schemes | Edit GtkSourceView style-schemes for an application or platform |
| spooftooph | Automate spoofing or clone Bluetooth device Name, Class, and Address |
| swaylock-effects | Screen locker for Wayland |
| sushi | Quick previewer for Nautilus |
| taler-challenger | OAuth 2.0-based authentication service that validates user can receive messages at a certain address |
| taler-exchange | Exchange component for the GNU Taler electronic payment system |
| sil | Rogue-like game set in the First Age of Middle-earth |
| tamgamp-lv2 | Guitar amplifier simulator |
| swift-corelibs-libdispatch | Grand Central Dispatch |
| tetragon | Real-time, eBPF-based Security Observability and Runtime Enforcement tool |
| stupidterm | Simple wrapper around the VTE terminal emulator widget for GTK |
| su | Suite containing authentication-related tools such as passwd and su |
| simp1e-cursors | Aesthetic cursor theme for Linux desktops |
| stdoutisatty | Make programs think their stdout is a tty / terminal |
| seren | Simple ncurses VoIP program based on the Opus codec |
| supervise | Minimal unprivileged process supervisor making use of modern Linux features |
| theme-jade1 | Based on Linux Mint theme with dark menus and more intensive green |
| strfry | Nostr relay implementation in C++ |
| seadrive-fuse | SeaDrive daemon with FUSE interface |
| suricata | Free and open source, mature, fast and robust network threat detection engine |
| sinit | Very minimal Linux init implementation from suckless.org |
| stockpile | Keep count of restockable items |
| tini | Tiny but valid init for containers |
| setserial | Serial port configuration utility |
| styluslabs-write-bin | Write is a word processor for handwriting |
| sfizz-ui | SFZ based sampler, providing AU / LV2 / PD / VST3 plugins using the sfizz library |
| solaar | Linux devices manager for the Logitech Unifying Receiver |
| taglib-sharp | Library for reading and writing metadata in media files |
| singularity | Application containers for linux (Sylabs Inc's fork of Singularity, a.k.a. SingularityCE) |
| shellhub-agent | Enables easy access any Linux device behind firewall and NAT |
| sqlitestudio | Free, open source, multi-platform SQLite database manager |
| soapui | Most Advanced REST & SOAP Testing Tool in the World |
| symphony | Open-source solver, callable library, and development framework for mixed-integer linear programs (MILPs) |