| riseup-vpn | Generic VPN client by LEAP |
| rofi-rbw-x11 | Rofi frontend for Bitwarden |
| read-edid | Tool for reading and parsing EDID data from monitors |
| rocmPackages.rocsparse | ROCm SPARSE implementation |
| rlog | C++ logging library used in encfs |
| rke2_1_34 | Rancher's next-generation Kubernetes distribution, also known as RKE Government |
| samsung-unified-linux-driver_4_01_17 | Samsung's Linux printing drivers; includes binaries without source code |
| samsung-unified-linux-driver | Samsung's Linux printing drivers; includes binaries without source code |
| rke2_stable | Rancher's next-generation Kubernetes distribution, also known as RKE Government |
| ricochet-refresh | Secure chat without DNS or WebPKI |
| razer-cli | Command line interface for controlling Razer devices on Linux |
| ripplerx | Physically modeled synth |
| rewaita | Bring color to Adwaita |
| rstudio-server | Set of integrated tools for the R language |
| rare | GUI for Legendary, an Epic Games Launcher open source alternative |
| rtl8761b-firmware | Firmware for Realtek RTL8761b |
| radioboat | Terminal web radio client |
| s0ix-selftest-tool | Tool for testing the S2idle path CPU Package C-state and S0ix failures |
| rocmPackages.rocm-docs-core | ROCm Documentation Python package for ReadTheDocs build standardization |
| ratools | Fast, dynamic, multi-threading framework for IPv6 Router Advertisements |
| racer | Car racing game |
| ripser | Lean C++ code for the computation of Vietoris–Rips persistence barcodes |
| roxterm | Highly configurable terminal emulator |
| regextester | Desktop application to test regular expressions interactively |
| rocmPackages.composable_kernel | Performance portable programming model for machine learning tensor operators |
| rocmPackages.hipsparse | ROCm SPARSE marshalling library |
| sabnzbd | Usenet NZB downloader, par2 repairer and auto extracting server |
| river-classic | Dynamic tiling wayland compositor |
| retroshare | Decentralized peer to peer chat application |
| rspamd | Advanced spam filtering system |
| rocmPackages.rocm-runtime | Platform runtime for ROCm |
| sameboy | Game Boy, Game Boy Color, and Super Game Boy emulator |
| tetgen_1_4 | Quality Tetrahedral Mesh Generator and 3D Delaunay Triangulator |
| tango-database | Tango distributed control system - database server |
| tacent | C++ library providing linear algebra and various utility functions |
| sgt-puzzles-mobile | Simon Tatham's portable puzzle collection |
| skawarePackages.s6-linux-utils | Set of minimalistic Linux-specific system utilities |
| swaykbdd | Per-window keyboard layout for Sway |
| srain | Modern IRC client written in GTK |
| simpleitk | Simplified interface to ITK |
| srb2kart | Classic styled kart racer |
| tartube | GUI front-end for youtube-dl |
| tilix | Tiling terminal emulator following the Gnome Human Interface Guidelines |
| scid-vs-pc | Chess database with play and training functionality |
| sfrotz | Interpreter for Infocom and other Z-Machine games (SDL interface) |
| tbe | Physics-based game vaguely similar to Incredible Machine |
| sway-unwrapped | I3-compatible tiling Wayland compositor |
| spice-autorandr | Automatically adjust the client window resolution in Linux KVM guests using the SPICE driver |
| tinymembench | Simple benchmark for memory throughput and latency |
| sqlauncher | Simple QT6 Program Launcher |
| solarus-quest-editor | Editor for the Zelda-like ARPG game engine, Solarus |
| tiled | Free, easy to use and flexible tile map editor |
| sdbus-cpp_2 | High-level C++ D-Bus library designed to provide easy-to-use yet powerful API |
| sway-assign-cgroups | Place GUI applications into systemd scopes for systemd-oomd compatibility |
| semantik | Mind-mapping application for KDE |
| tblite | Light-weight tight-binding framework |
| simp_le | Simple Let's Encrypt client |
| smemstat | Memory usage monitoring tool |
| swaytools | Collection of simple tools for sway (and i3) |
| solarc-gtk-theme | Solarized version of the Arc theme |
| sdl-jstest | Simple SDL joystick test application for the console |
| thttpd | Tiny/turbo/throttling HTTP server |
| theme-obsidian2 | Gnome theme based upon Adwaita-Maia dark skin |
| supercolliderPlugins.sc3-plugins | Community plugins for SuperCollider |
| seafile-client | Desktop client for Seafile, the Next-generation Open Source Cloud Storage |
| sxcs | Minimal X11 Color Picker and Magnifier |
| shotwell | Popular photo organizer for the GNOME desktop |
| throne | Qt based cross-platform GUI proxy configuration manager |
| stoat-desktop | Open source user-first chat platform |
| sbs | Simple background setter with 200 lines of code |
| shorewall | IP gateway/firewall configuration tool for GNU/Linux |
| ssh-tpm-agent | SSH agent with support for TPM sealed keys for public key authentication |
| sutils | Small command-line utilities |
| textsnatcher | Copy Text from Images with ease, Perform OCR operations in seconds |
| snippetexpanderd | Your little expandable text snippet helper daemon |
| texworks | Simple TeX front-end program inspired by TeXShop |
| sturmflut | Fast (80+ Gbit/s) pixelflut client with full IPv6 and animation support |
| sniproxy | Transparent TLS and HTTP layer 4 proxy with SNI support |
| snips-sh | Passwordless, anonymous SSH-powered pastebin with a human-friendly TUI and web UI |
| stun | Stun server and test client |
| sssd | System Security Services Daemon |
| telegraph | Write and decode Morse |
| sfizz | SFZ jack client and LV2 plugin |
| squeezelite-pulse | Lightweight headless squeezebox client emulator |
| skyscraper | Powerful and versatile game data scraper written in Qt and C++ |
| sonata | Elegant client for the Music Player Daemon |
| sc2-headless | Starcraft II headless linux client for machine learning research |
| sparrow3d | Software renderer for different open handhelds like the gp2x, wiz, caanoo and pandora |
| scipopt-zimpl | Zuse Institut Mathematical Programming Language |
| squirrel-sql | Universal SQL Client |
| serious-sam-classic-vulkan | Open source game engine version developed by Croteam for Serious Sam Classic |
| tableplus | Database management made easy |
| swaylock | Screen locker for Wayland |
| statping-ng | Status Page for monitoring your websites and applications with beautiful graphs, analytics, and plugins |
| streamcontroller | Elegant Linux app for the Elgato Stream Deck with support for plugins |
| sview | Viewer for 3D stereoscopic videos and images |
| srt-live-server | Open-source low latency livestreaming server, based on Secure Reliable Tranport (SRT) |
| scuba | Simple Container-Utilizing Build Apparatus |
| scd2html | Generates HTML from scdoc source files |
| spotify-tray | Adds a tray icon to the Spotify Linux client application |