1. Microsoft PowerToys
PowerToys is the Swiss army knife of Windows utilities. FancyZones for custom window layouts, PowerToys Run for quick app launching (like Spotlight on Mac), Keyboard Manager for key remapping, Text Extractor for OCR, and a dozen other tools. If you're a power user on Windows and don't have PowerToys installed, start here.
Best for: Window management, keyboard remapping, quick launching, file renaming, and cursor tools. Note that PowerToys does not support mouse button remapping. For that, see MouseKey below, or read the full comparison.
2. MouseKey
MouseKey remaps mouse buttons and adds up to 6 actions per button using click cadences. Single click your side button for copy, double click for paste, triple click for undo, and so on. It also includes a timed macro recorder, button reassignment, and unlimited profiles. Works with any mouse brand, runs fully offline, and collects zero data.
Best for: Anyone who wants their most-used shortcuts on their mouse instead of reaching for the keyboard. See the keyboard shortcut replacement experiment for a real-world walkthrough. Also useful for ergonomic setups and gaming.
3. Everything Search
Windows Search is slow. Everything is instant. It indexes your entire file system and returns results as you type, with zero delay. If you've ever waited 10 seconds for Windows to find a file you know is on your drive, Everything fixes that permanently. It runs as a lightweight service and uses almost no memory.
Best for: Finding files instantly. Once you use it, you'll never go back to Windows Search for file lookups.
4. ShareX
ShareX is a screenshot and screen recording tool that goes far beyond the built-in Snipping Tool. Region capture, scrolling capture, GIF recording, video recording, automatic upload to image hosts, built-in image editor, OCR, color picker, and dozens of after-capture actions. It's the most capable free screenshot tool on Windows.
Best for: Screenshots, screen recordings, GIFs, and sharing. Pairs well with MouseKey if you assign Screen Snip or ShareX's capture hotkey to a mouse button cadence.
5. Ditto Clipboard Manager
Windows clipboard only remembers one thing at a time (or a limited history with Win+V). Ditto saves everything you copy and lets you search, paste from history, and organize clips. It supports text, images, and files. Once you start using a clipboard manager, you realize how much time you wasted re-copying things.
Best for: Anyone who copies and pastes frequently. Developers, writers, researchers, and anyone who works across multiple documents.
6. EarTrumpet
Windows' built-in volume mixer is buried in settings and awkward to use. EarTrumpet replaces the system tray volume icon with a proper per-app volume control. Click the icon and you see every app that's playing audio with individual volume sliders. You can also set default audio devices per app.
Best for: Anyone who uses headphones, runs meetings while listening to music, or needs per-app volume control without digging through Windows settings.
7. Directory Opus
Windows File Explorer works fine until you need to do anything beyond basic file browsing. Directory Opus is a full replacement that adds dual-pane browsing, tabbed folders, built-in file preview, batch renaming, FTP, archive handling, and dozens of other features. It's a paid app, but for anyone who spends real time managing files, it pays for itself quickly.
Best for: Power users, developers, sysadmins, and anyone who works with files all day and finds Explorer limiting.
8. Snagit
Snagit is a professional screen capture and annotation tool from TechSmith. It goes beyond screenshots with scrolling capture, video recording, step-by-step guides, GIF creation, and a built-in editor with arrows, callouts, blurs, and stamps. Where ShareX is great for quick captures and sharing, Snagit is built for creating polished visuals for documentation, tutorials, and presentations.
Best for: Anyone who creates tutorials, documentation, training materials, or support content. Especially useful for teams that need consistent, professional-looking screenshots and annotations.
Honorable mentions
7-Zip for file compression (faster and more format support than the built-in Windows tool). Notepad++ for text editing with syntax highlighting. VLC for media playback that handles every format. These are well-known enough that they don't need a full writeup, but they're still essential if you don't have them.
The stack
These tools all run alongside each other with no conflicts. PowerToys handles your windows and keyboard, MouseKey handles your mouse buttons, Everything handles file search, ShareX and Snagit handle screenshots, Ditto handles clipboard, EarTrumpet handles audio, and Directory Opus handles files. Each one does its job without stepping on the others.
Total memory footprint for all 7 running simultaneously is minimal. None of them require accounts, cloud services, or subscriptions to function.
Try MouseKey
Add 6 actions to every mouse button. Works with any mouse on Windows.
