Free System Tools and Utilities
System tools are the quiet utilities that keep a PC healthy: partitioning disks, cleaning junk, managing files, backing up data and uninstalling programs properly. The freeware options below cover each job, with clear notes on where the free tier ends and the upsell begins.
60 free apps in System tools
Popular choices. Room for discovery.
How we order apps
Popularity reflects interest in this catalogue, not a review or a safety rating. We count installer transfer starts and visits to official download websites or web apps equally. We cannot confirm downloads completed on another website.
The last 30 days inform the order, with recent activity carrying more weight. Repeat actions count once per app and UTC day, using a protected network fingerprint where available, or an anonymous browser identifier. Shared networks may be undercounted. Known bots, privacy opt-outs and unusually broad activity are excluded.
Discovery gives some earlier positions to new and less-seen apps. Popularity keeps the strict interest order; A–Z lets you browse by name. Lists update hourly, show the same order to everyone, and retain an editorial fallback when data is unavailable. No paid placement is included.
DisplayCAL
Open-source display calibration and profiling front end for ArgyllCMS, with colourimeter and spectrophotometer support and ICC profile management.
CopyQ
Keep a searchable clipboard history of text, HTML and images in customisable tabs, with global shortcuts, ignore rules and scriptable commands.
Rufus
A small Windows utility that writes an ISO image to a USB drive so a computer can boot and install from it.
Mousetroke
Free, open-source mouse gestures with custom actions, per-app rules and screen corners. Portable Windows EXE; a separate macOS beta is available.
Mole CLI
A free terminal toolkit for reviewing disk use, clearing caches, removing apps and monitoring system activity, with separate platform-specific branches.
CrystalDiskInfo
A storage health monitor that reads S.M.A.R.T. data from HDDs, SSDs and USB drives, showing temperature, power-on hours, error counts and wear level.
AOMEI Backupper Standard
A free Windows backup program that images systems and disks, syncs folders, clones drives and restores images, with scheduling, incremental backups and bootable media.
BleachBit
Free disk space and clear caches, cookies, logs and temporary files on Windows with a preview-first cleaner whose rules are readable XML.
WinDirStat
A free, open-source disk usage viewer for Windows that shows what fills your drive as a colourful map of every file.
MacClean
A macOS storage cleaner for reviewing chat media, app caches, large files and developer data before choosing what to remove.
FreeFileSync
Compare two folders side by side with FreeFileSync, review the planned changes, then mirror, update or two-way sync them with versioned backups.
WizTree
A very fast disk space analyser for Windows that shows the largest folders and files in seconds, with a treemap view.
Greenshot
A small, free screenshot tool for Windows that captures a region, window or full screen and opens it in a simple editor for arrows, text and blurring.
ShareX
A free, open-source screenshot and screen recording tool for Windows that can annotate, read text from and upload what you capture.
Gamepad Bench
A free browser gamepad tester for checking buttons, sticks, triggers and supported vibration, with local measurements and shareable summary reports.
AntiMicroX
AntiMicroX maps gamepad buttons, sticks and triggers to keyboard, mouse and macro actions so controllers work in games that only accept keyboard input.
Meson
Free cross-platform build system for C, C++, Fortran and Rust projects that generates Ninja files from a fast, readable declarative description.
Windhawk
Windhawk installs small open-source mods that change taskbar, Start menu, Explorer and other Windows shell behaviour without patching system files.
Deskflow
Deskflow is a free GPL-2 KVM utility that shares one keyboard, mouse and clipboard across several computers, so one desk can drive every screen.
Gaming Booster
A free Windows game-mode utility with per-game profiles, system monitoring and controls for power settings, process priority and selected background apps.
Process Monitor
A real-time Windows activity monitor that records filesystem, registry, process, thread, image-load and network events into a filterable, exportable trace.
Fish Tank Plus
A 3D aquarium screensaver and live wallpaper for Windows, with continuous multi-monitor scenes, interactive fish and optional webcam-based perspective.
CPU-Z
A small, free Windows utility that shows exactly which processor, motherboard, memory and graphics your PC has.
Glary Utilities
A Windows maintenance suite that groups cleanup, startup, privacy, registry, and file-management utilities.
Go
Free Go compiler and toolchain for Windows with modules, testing, formatting and cross-compilation built into a single self-contained installer.
Accessibility Insights for Windows
Accessibility Insights for Windows is Microsoft's free MIT-licensed inspector for finding accessibility defects in desktop apps through UI Automation.
KeePassXC
Keep passwords, passkeys and one-time codes in an encrypted local database that stays on your own devices, with browser fill-in and global auto-type.
GlazeWM
GlazeWM brings i3-style tiling to Windows with a declarative YAML config, named workspaces, keyboard-driven focus and multi-monitor layout rules.
ksnip
Open-source screenshot tool with annotation, tabs and upload targets for Windows, macOS and Linux users, with a scriptable command-line mode.
simplewall
Control which programs may reach the network on Windows with a small Windows Filtering Platform front end, notification prompts and its own rule editor.
DiskGenius Free
Partition manager and disk utility for Windows that resizes and converts partitions, clones disks, recovers lost partitions and browses raw volumes without a reboot.
WinToUSB Free
Creates Windows To Go installations on USB drives and external disks, cloning or installing Windows from an ISO, WIM or ESD image onto portable bootable media.
Cryptomator
Encrypt files inside Dropbox, OneDrive, Google Drive or any folder with an open-source vault that unlocks as an ordinary drive letter.
Gpg4win
Encrypt and sign files and email on Windows with the official GnuPG distribution, the Kleopatra certificate manager and Outlook integration.
Microsoft PowerToys
Microsoft PowerToys adds optional Windows utilities for window layouts, file actions, keyboard shortcuts, text extraction, and quicker everyday workflows.
Alacritty
Free GPU-accelerated terminal emulator for Windows that focuses on speed and minimalism, leaving tabs and splits to external multiplexers.
Macrorit Partition Expert Free
A Windows partition manager that resizes, moves, extends and converts NTFS and FAT volumes, converts MBR to GPT, and carries a one-second rollback feature.
CCleaner
A cleanup utility for Windows that clears browser data, temporary files and leftovers, with a free and a paid edition.
AutoHotkey v2
AutoHotkey v2 is a free GPL-licensed scripting language that turns Windows hotkeys, hotstrings and small dialogs into repeatable automation.
Hasleo Backup Suite Free
Free Windows backup and cloning suite that images whole disks, partitions, files and folders, keeps incremental and differential versions, and builds bootable rescue media.
HDClone X.7 Free Edition
Disk copying and imaging tool that clones or images drives of up to 4 TB from Windows or from its own self-booting medium, with no registration and no time limit.
System Informer
System Informer is a free MIT-licensed Windows process explorer with detailed process, handle, service and network views for troubleshooting.
Python
The official Python interpreter for Windows, with pip, the standard library and IDLE, now installed through the Python install manager.
Process Explorer
A portable process viewer for Windows that shows the full process tree with loaded DLLs, handles, signing status, memory use and virus-checking results.
Duplicati
Back up folders and files to cloud storage or a remote server as encrypted, compressed, deduplicated versions with scheduling and a restore browser.
NVDA
NVDA is a free screen reader for Windows that speaks what is on screen, supports braille displays and works with browsers, office suites and everyday apps.
CrystalDiskMark
A storage benchmark that measures sequential and random read and write throughput and latency on SSDs, hard drives and removable media.
Ditto
Ditto is a free GPL-3 clipboard manager for Windows that stores text, images and custom formats in a searchable database and can sync between PCs.
DriverStore Explorer
A portable open-source utility that lists every driver package in the Windows driver store and removes, adds or exports them by publishing status and size.
DskManager
A Windows desktop organiser that groups icons into zones and offers compact list views for keeping shortcuts and files easier to scan.
LeanFPS
A Windows gaming utility that detects games, records frame-rate sessions, and offers reversible system tweaks with a free core and optional Pro features.
NIUBI Partition Editor Free
A free partition editor for home Windows PCs that resizes, moves, merges and clones volumes with a virtual rollback mode and a one-second undo window.
Node.js
The JavaScript runtime used to run build tools, web servers and command-line apps, installed on Windows together with the npm package manager.
Oracle VM VirtualBox
A free desktop hypervisor that runs complete x86-64 operating systems in windows, with snapshots, shared folders and virtual networking.
Sysinternals Suite
Microsoft's bundled collection of Windows troubleshooting tools, covering processes, autoruns, file handles, registry, networking, memory and disk inspection in one archive.
Vagrant
Free tool for building reproducible development environments on Windows by describing virtual machines in a single version-controlled configuration file.
WezTerm
Free GPU-accelerated terminal emulator for Windows with multiplexing, tabs, panes, tabs over SSH and a fully scriptable Lua configuration.
eSpeak NG
eSpeak NG is a compact free speech synthesizer for Windows that adds a system voice and a command line for reading text aloud in over a hundred languages.
minikube
Free tool that runs a single-node Kubernetes cluster locally on Windows for testing manifests, operators and container workloads offline.
Revo Uninstaller
A Windows uninstaller that runs an app’s standard removal process and can scan for remaining files and registry entries.
The Toolbox at a Glance
| Job | Best freeware pick | License |
|---|---|---|
| Partition manager | MiniTool Partition Wizard Free | Freeware |
| Disk cleaner | BleachBit | Open source |
| Junk cleaner (simple) | CCleaner | Freeware |
| File manager | FreeCommander XE | Freeware |
| Backup | EaseUS Todo Backup Free | Freeware |
| Uninstaller | Revo Uninstaller Free | Freeware |
| Uninstaller (open source) | Bulk Crap Uninstaller | Open source |
| Driver updater | Snappy Driver Installer Origin | Open source |
| Bootable USB | Rufus | Open source |
The Tools
MiniTool Partition Wizard Free: resize and move partitions
The free tier resizes, moves, merges and formats partitions without data loss, and converts disks between MBR and GPT. It is the go-to when Windows' own Disk Management refuses a resize.
BleachBit and CCleaner: cleaning, two philosophies
BleachBit is open source and aggressive: it wipes caches, logs and free disk space, and its shredding is genuinely useful before selling a PC. CCleaner is the friendlier commercial freeware; install it with custom options and skip the bundled offers.
FreeCommander XE: two-panel file management
Two-panel browsing, tabs, archives as folders and a portable mode. The freeware alternative to paid file managers, under active development since 2004.
EaseUS Todo Backup Free: scheduled backups
Disk/partition imaging and file backup with scheduling in the free tier. The paid versions add cloud targets; the free local backup is fully usable.
Revo Uninstaller Free: remove leftovers
Revo uninstalls a program and then sweeps the leftover files and registry entries that standard uninstallers miss. The free version is one-click; portable mode included.
Snappy Driver Installer Origin: drivers without bundled junk
SDIO downloads driver packs and installs only what your hardware needs, with no installer bundleware. The open source fork of the original SDI project.
Good to know
What is the best free partition manager?
MiniTool Partition Wizard Free for guided resizing; GParted Live (open source, bootable USB) for advanced operations.
How do I clean my PC for free?
BleachBit for thorough cleaning, CCleaner for a friendlier interface, plus Windows' built-in Storage Sense for daily maintenance.
What is the best free backup software?
EaseUS Todo Backup Free for scheduled imaging on Windows. Veeam Agent Free is the power-user alternative.
Is there a free uninstaller that removes leftovers?
Revo Uninstaller Free and Bulk Crap Uninstaller both remove leftover files and registry entries; BCU is open source.