Signal 8.33.0
Send encrypted messages, share files and make voice or video calls with Signal for Windows. Link the free desktop app to Signal on your Android phone or iPhone.
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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SignalRGB 2.5.80
Synchronize supported RGB keyboards, mice, fans and other devices across brands with SignalRGB for Windows. Customize effects and arrange devices on a shared lighting canvas.
Silent Install Builder 6
Build Windows deployment packages containing multiple application installers, detect common silent-install switches, or record setup steps with Silent Install Builder. Paid software with a trial.
SimilarImages 2013.11
Find near-duplicate images and videos with SimilarImages, a free Windows utility that compares visual content across different sizes, formats and compression levels.
Simple Data Backup 11.3
Back up Windows files and folders to another drive or network share as direct copies, ZIP files or 7z archives. The Free edition has limits on backup jobs and advanced features.
simple-acme 2.4.1.2444
Request and automatically renew ACME certificates for IIS and other server applications with simple-acme, a free, open-source Windows command-line client.
SimpleCodeGenerator 1.17
Generate QR codes from URLs or formatted text, copy them to the clipboard, or export image files with NirSoft's free portable Windows utility.
simplewall 3.8.7
Control which Windows applications can access the network with simplewall, a free, open-source Windows Filtering Platform utility with custom rules and packet logging.
SingularityApp 14.6.0
Organize tasks, projects and habits with SingularityApp for Windows. Basic works on one device; paid plans add cross-device sync and calendar planning.
SIW 16.16.1014
Inspect Windows hardware, installed software and network configuration with SIW, a system-information utility with report exports and a 14-day evaluation trial.
Slitheris Network Discovery 1.2.42
Discover network devices from Windows, inspect operating-system and device-type hints, and export scan results with Slitheris. Free use covers 50 devices; larger networks require a paid license.
SmadAV 2026 Rev. 16.0
Add a second antivirus layer for Windows and USB flash drives with SmadAV. The free edition is for personal use; organizational use and extra controls require Pro.
Smarter Battery 9.2
Monitor laptop battery capacity, wear and charge history with Smarter Battery for Windows. Its demo allows ten sessions of 15 minutes before purchase is required.
SmartSniff 2.30
Capture TCP/IP traffic and inspect client-server conversations in ASCII or hexadecimal with SmartSniff, a freeware Windows network utility.
Snagit 2026.4.0
Capture scrolling pages, annotate screenshots and turn on-screen steps into visual guides with Snagit for Windows, a paid application with an evaluation trial.
SnakeTail 1.9.8
Follow growing text logs and Windows Event Logs with SnakeTail, a free Windows log viewer with keyword highlighting, tabs and saved sessions.
SnapGene 8.2.3
Plan DNA cloning and PCR, annotate plasmid maps and design primers with SnapGene for Windows. Full editing and simulation require a license; free Viewer mode supports viewing and annotation.
Snappy Driver Installer 1.26.1 (R2601), SDI Lite
Find missing drivers and update existing ones with a free, portable Windows utility. This download is SDI Lite, which needs index downloads before scanning hardware.
Snipaste 2.11.3
Capture and annotate screenshots, then pin them as floating reference windows with Snipaste for Windows. The portable x64 package is free for personal use; business use requires Pro.
SoftMaker FreeOffice 2024 (revision 1238)
Write documents, build spreadsheets and create slide presentations with FreeOffice, a free Windows office suite for personal and business use.
SoftMaker Office NX
Write documents, build spreadsheets and create slides with SoftMaker Office NX for Windows. The paid suite uses DOCX, XLSX and PPTX formats and offers a 30-day trial.
SoftOrbits Flash Drive Recovery 4.8
Scan USB flash drives and memory cards for deleted files with SoftOrbits Flash Drive Recovery for Windows. Preview results before choosing files to recover; saving requires the full version.
SoftPerfect Network Scanner 26.9
Discover network devices, inspect open ports and shared folders, and export inventories with SoftPerfect Network Scanner for Windows. The trial displays up to 10 devices.
SoftPerfect RAM Disk 26.10
Create RAM-backed drives for temporary files, browser caches or build output with SoftPerfect RAM Disk for Windows. A fully featured 30-day trial is available.