ShareX 21.0.0
Capture screenshots, annotate images and record video or GIFs with ShareX, a free, open-source Windows tool with configurable saving and upload workflows.
Utilities
Practical software for managing files, maintaining your system and getting everyday tasks done.
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Sharp World Clock 9.67
Track city times with customizable desktop clocks, compare time zones and plan meetings in Sharp World Clock for Windows. A 15-day trial is available.
SharpKeys 3.9.4
Remap individual keyboard keys in Windows with SharpKeys, a free, open-source utility that writes system-wide mappings to the Registry.
Shefware Google Workspace Backup Tool 1.0.0.1
Back up Google Workspace mail, Drive files, contacts, calendars and tasks to local storage, with user selection, date filters and scheduled jobs.
Shell Tools 2.6.0
Add file notes, path copying, font commands and visibility toggles to Windows File Explorer with Shell Tools, a free configurable context-menu extension.
ShellExView 2.01
Inspect installed Windows shell extensions and disable or re-enable individual handlers with ShellExView, a freeware tool for investigating Explorer context-menu problems.
Shottr 1.9.3
Capture scrolling screenshots, annotate images and copy text with OCR in Shottr for Mac. Free use includes purchase reminders; uploading requires activation.
ShowKeyPlus 1.1.18.0
Find Windows product-key details, check which edition a key belongs to and retrieve keys from a Windows backup with ShowKeyPlus.
Shutdown Timer Classic 1.3.2
Set a countdown to shut down, restart, sleep, hibernate or lock a Windows PC with Shutdown Timer Classic, a free, open-source utility.
Sidebar Diagnostics 3.6.3
Keep CPU, RAM, GPU, network and drive readings visible in a customizable Windows desktop sidebar with graphs, alerts and hotkeys.
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.
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.
Sioyek 2.0.0
Read technical books and research papers with Sioyek for Mac, an open-source PDF viewer with reference previews, searchable highlights and keyboard navigation.
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.
Skim 1.7.17
Read and annotate PDFs on your Mac with Skim, a free PDF reader and note-taker with highlights, reference snapshots and tools for scientific papers.
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.