SoftPerfect WiFi Guard 26.10
See devices on your Wi-Fi network and receive alerts for unfamiliar connections. SoftPerfect WiFi Guard offers an unlimited-duration trial that displays up to 20 devices.
Utilities for Windows
Compare published utilities listings for Windows. Check each application's documented requirements, features and limitations before following its download link.
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Solve Elec 2.5
Draw AC and DC electrical circuits, inspect voltage and current formulas, and explore graphs with Solve Elec, a free educational circuit-analysis tool for Windows.
Sound Pilot 2.6.0
Add typewriter sounds to your Windows keyboard with Sound Pilot. Switch sound schemes, adjust volume or mute typing sounds from its system-tray menu.
SoundVolumeView 2.53
View and change Windows app and device volume, mute individual sound components, and save audio profiles with NirSoft’s free SoundVolumeView utility.
SpaceSharp 2.5.1
Find large files with SpaceSharp, a free Windows disk space analyzer that maps folders as a zoomable treemap and compares saved scans.
SpaceSniffer 2.2.0.27
Find large files and folders with SpaceSniffer, a free portable Windows disk-space analyzer with a zoomable treemap, filters and text reports.
Speccy 1.34.84
Inspect your PC's CPU, RAM, motherboard and graphics hardware with Speccy for Windows. View component temperatures and export system details for support or upgrade planning.
Speccy Emulator 5.9
Run Sinclair ZX Spectrum programs on Windows with Speccy, Marat Fayzullin’s emulator with tape and snapshot loading, save states and a built-in debugger.
SpectraVue 3.44
Analyze radio signals with RFSPACE receivers, or inspect soundcard and wave file input, using SpectraVue for Windows.
SpeechPulse 10.23.0
Dictate into Windows apps with Whisper-based speech recognition, transcribe recordings and create SRT or VTT subtitles. SpeechPulse offers a 30-day trial before purchase.
SpeedFan 4.52
Monitor temperatures, fan speeds and voltages with SpeedFan, a free Windows utility that can adjust fan speeds on supported hardware.
SpeedyFox 2.0.30
Compact SQLite profile databases used by Firefox, Chrome, Thunderbird and other supported apps with CrystalIDEA's free Windows utility.
Sphinx (Esfinge) 2.58.7
Encrypt text and files, generate passwords and keep credentials in a local encrypted vault with Esfinge, listed as Sphinx for Windows on Softonic.
Splashtop Streamer
Make a Windows PC available to Splashtop Personal for remote access to its apps and files. This download is the Personal Streamer host component, not the app used to connect from another device.
Spooky View 1.1.0
Adjust window transparency and keep selected windows always on top with Spooky View, a free, open-source Windows utility. WPF applications are not supported.
Spybot – Search & Destroy
Find and remove spyware and adware with Spybot Free Edition for Windows. Manual scanning and browser immunization are included; antivirus and real-time protection require a paid edition.
SSHFS-Win Manager 1.3.1
Manage SSHFS-Win connections through a Windows GUI, with saved connection profiles, password or private-key authentication, and system-tray access.
Stagetimer 3.6.4
Run event countdowns offline on Windows, share timer displays over a local network and send NDI video outputs to production software with Stagetimer.
Stardock Curtains
Apply and edit Windows 10 appearance styles beyond Light and Dark mode, with controls for title bars, buttons, colors and shadows.
Start11 2.8.1.0
Replace and personalize the Windows 10 or 11 Start menu with classic layouts, custom sections, taskbar controls and local search options.
StartAllBack 3.9.28
Restore a classic Start menu and customize the taskbar, File Explorer and context menus on Windows 11 with StartAllBack.
Stella 7.0c
Play Atari 2600 ROMs on Windows with Stella, a free, open-source emulator with a ROM launcher, save states and an integrated debugger.
Stellar File Eraser 6.0.0.0
Erase selected files and folders, clear browser and application traces, or wipe unused drive space with Stellar File Eraser for Windows. Scheduled tasks support recurring cleanups.
Stellarium 26.3
Explore stars, planets and constellations in a 3D sky with Stellarium, a free desktop planetarium for Windows.