System Utilities

108 free system utilities for Mac and Windows, each official release checked before it is listed.

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1New
LocalSend
LocalSend · System Utilities
Free
2
Rufus
Pete Batard · System Utilities
Free
3
Etcher
balena · System Utilities
Free
4
MonitorControl
MonitorControl · System Utilities
Free
5
PicGo
PiEgg · System Utilities
Free

Apps

All platforms Mac Windows

108 apps

Any price Free Freemium Free trial Paid

LocalSend
LocalSend
Share files and messages with nearby devices over your local network, no internet connection needed
Open sourceSystem Utilities
Mac94,447 GitHub starsFree
Rufus
Pete Batard
Utility for formatting USB drives and creating bootable USB media from ISO images
Open sourceSystem Utilities
Win37,983 GitHub starsFree
Etcher
balena
Flash OS images to SD cards and USB drives, safely and easily
Open sourceSystem Utilities
Mac34,521 GitHub starsFree
MonitorControl
MonitorControl
Control the brightness and volume of external displays on your Mac with keys or menu bar sliders
Open sourceSystem Utilities
Mac34,470 GitHub starsFree
PicGo
PiEgg
Upload images to S3, GitHub, Cloudflare R2, Imgur and 60+ other hosts and copy the link
Open sourceSystem Utilities
Win27,346 GitHub starsFree
SwitchHosts
oldj
App for managing and quickly switching hosts file entries, with remote hosts and a system tray menu
Open sourceSystem Utilities
Mac27,273 GitHub starsFree
UniGetUI
Devolutions
Graphical interface for package managers such as WinGet, Scoop, Chocolatey and Homebrew
Open sourceSystem Utilities
MacWin26,595 GitHub starsFree
Deskreen CE
Paul Pavlo Buidenkov
Turns any device with a web browser into a secondary screen for your computer
Open sourceSystem Utilities
Win21,568 GitHub starsFree
Sandboxie-Plus
Sandboxie-Plus
Run programs in an isolated sandbox on Windows
Open sourceSystem Utilities
Win19,696 GitHub starsFree
Background Music
Kyle Neideck
A macOS audio utility that auto-pauses your music, sets per-app volumes and records system audio
Open sourceSystem Utilities
Mac19,343 GitHub starsFree
Moonlight PC
Moonlight Game Streaming Project
Open-source PC client for streaming games from NVIDIA GameStream and Sunshine hosts
Open sourceSystem Utilities
MacWin19,097 GitHub starsFree
System Informer
Winsider Seminars & Solutions, Inc.
Monitor system resources, inspect processes and services, and debug software on Windows
Open sourceSystem Utilities
Win16,245 GitHub starsFree
Transmission
Transmission
Official Transmission BitTorrent client repository
Open sourceSystem Utilities
MacWin15,303 GitHub starsFree
Kopia
Kopia
Fast, secure backup tool with encrypted, deduplicated snapshots and both CLI and GUI
Open sourceSystem Utilities
Mac14,351 GitHub starsFree
LuLu
Objective-See Foundation
A free, open-source firewall for macOS that blocks unknown outgoing connections
Open sourceSystem Utilities
Mac13,331 GitHub starsFree
Ghost Downloader 3
XiaoYouChR
Multi-threaded download manager with pause and resume
Open sourceSystem Utilities
Win9,928 GitHub starsFree
Secretive
Max Goedjen
An app for protecting and managing your SSH keys with your Mac's Secure Enclave
Open sourceSystem Utilities
Mac8,995 GitHub starsFree
VirtualBuddy
Guilherme Rambo
Virtualize macOS 12 and later on Apple Silicon, VirtualBuddy is a virtual machine GUI for macOS M1, M2, M3, M4
Open sourceSystem Utilities
Mac8,820 GitHub starsFree
XcodesApp
XcodesOrg
The easiest way to install and switch between multiple versions of Xcode - with a mouse click.
Open sourceSystem Utilities
Mac8,603 GitHub starsFree
BleachBit
BleachBit
BleachBit system cleaner for Windows and Linux
Open sourceSystem Utilities
Win7,115 GitHub starsFree
PureMac
Moamen Basel
Free, open-source macOS cleaner. CleanMyMac alternative with zero telemetry. Native SwiftUI, scheduled auto-cleaning, Xcode/Homebrew/system cache cleanup. MIT l
Open sourceSystem Utilities
Mac7,106 GitHub starsFree
LinearMouse
LinearMouse
A mouse and trackpad utility for Mac with per-device and per-app profiles
Open sourceSystem Utilities
Mac7,013 GitHub starsFree
Rainmeter
Rainmeter
Desktop customization tool for Windows
Open sourceSystem Utilities
Win6,079 GitHub starsFree
UEFITool
LongSoft
UEFI firmware image viewer and editor
Open sourceSystem Utilities
Mac5,746 GitHub starsFree
OpenDisplay
peetzweg/
Use an iPhone, iPad, or spare Mac as a true second display for your Mac without restrictions.
Open sourceSystem Utilities
Mac5,528 GitHub starsFree
Flying Carpet
Theron Spiegl
Cross-platform AirDrop. File transfer between Android, iOS, Linux, macOS, and Windows over ad hoc WiFi. No network infrastructure required, just two devices wit
Open sourceSystem Utilities
Mac5,356 GitHub starsFree
Mist
Nindi Gill
Mac utility that lists and downloads macOS firmwares and installers
Open sourceSystem Utilities
Mac5,280 GitHub starsFree
WinDirStat
WinDirStat Team
A disk usage analyzer and cleanup tool for Windows with treemaps, duplicate finding, and file recovery
Open sourceSystem Utilities
Win4,311 GitHub starsFree
Zen
Irbis
System-wide ad-blocker and privacy guard for Windows, macOS and Linux.
Open sourceSystem Utilities
Mac4,264 GitHub starsFree
Lid Angle Sensor
samhenrigold
tfw when you when your lid when uhh angle your lid sensor
Open sourceSystem Utilities
Mac4,239 GitHub starsFree
UnnaturalScrollWheels
Theron Tjapkes
Reverse scroll direction for a physical mouse wheel while keeping natural scrolling on the trackpad
Open sourceSystem Utilities
Mac4,223 GitHub starsFree
MangoDisk
Harry
Safety-first disk cleaner and space analyzer for macOS and Windows, with duplicate cleanup, app uninstall, startup management, system optimization, and maintena
Open sourceSystem Utilities
MacWin4,095 GitHub starsFree
WSL Manager
Eric Trenkel
GUI for the Windows Subsystem for Linux — and native Linux/macOS VMs on Mac. Install, back up, move and configure distros without CLI flags; AI assistant with t
Open sourceSystem Utilities
Mac4,029 GitHub starsFree
SoundSwitch
Antoine Aflalo
Switch the default playback or recording device with a hotkey on Windows
Open sourceSystem Utilities
Win3,438 GitHub starsFree
QMK Toolbox
QMK
A collection of keyboard firmware flashing tools packaged into one app
Open sourceSystem Utilities
Mac3,107 GitHub starsFree
WailBrew
Nico Wickersheim
Minimalistic Homebrew GUI made with Go, Wails and React.
Open sourceSystem Utilities
Mac2,843 GitHub starsFree
PacketSender
Dan Nagle
Network utility for sending / receiving TCP, UDP, SSL, HTTP
Open sourceSystem Utilities
MacWin2,682 GitHub starsFree
Raspberry Pi Imager
Raspberry Pi
A user-friendly tool for creating bootable media for Raspberry Pi devices
Open sourceSystem Utilities
MacWin2,635 GitHub starsFree
BrewUI
Homebrew
Homebrew's official macOS GUI
Open sourceSystem Utilities
Mac2,587 GitHub starsFree
ProvisionQL
Evgeny Aleksandrov
Quick Look plugin for mobile apps and provisioning profiles
Open sourceSystem Utilities
Mac2,464 GitHub starsFree
Rclone UI
rclone
A cross-platform graphical interface for managing rclone remotes and S3 storage
Open sourceSystem Utilities
MacWin2,324 GitHub starsFree
SensibleSideButtons
Alexei Baboulevitch
Mac menu bar app that makes third-party mouse side buttons navigate back and forward in almost any window
Open sourceSystem Utilities
Mac2,124 GitHub starsFree
Privileges
SAP
This application gives Mac users in enterprise environments control over the administration of their machines by elevating their access level to administrator p
Open sourceSystem Utilities
Mac2,089 GitHub starsFree
KeyStore Explorer
Kai Kramer
KeyStore Explorer is a free GUI replacement for the Java command-line utilities keytool and jarsigner.
Open sourceSystem Utilities
Win2,070 GitHub starsFree
Nook
Nook Browser
A new browser, not owned by Atlassian.
Open sourceSystem Utilities
Mac1,956 GitHub starsFree
MacSai
Iliya Mirzaei
Mac Sai: the open-source Mac cleaner, optimizer, and malware scanner. A free, Apple-notarized alternative to CleanMyMac, built with Swift 6 and SwiftUI.
Open sourceSystem Utilities
Mac1,861 GitHub starsFree
Cardinal
cardisoft
File search for macOS with Everything-style query syntax
Open sourceSystem Utilities
Mac1,739 GitHub starsFree
DevCleaner
Konrad Kołakowski
Mac app that reclaims storage used by Xcode caches, archives and old device support files
Open sourceSystem Utilities
Mac1,617 GitHub starsFree
TapMap
Ola Lie
Watch your computer connect across the internet in real time. Discover the world behind your apps.
Open sourceSystem Utilities
Mac1,572 GitHub starsFree
OpenList Desktop
OpenList Team
Run the OpenList file service and mount cloud storage on your computer with Rclone
Open sourceSystem Utilities
Mac1,524 GitHub starsFree
OpenCPN
OpenCPN
A concise ChartPlotter/Navigator. A cross-platform ship-borne GUI application supporting * GPS/GPDS Postition Input * BSB Raster Chart Display * S57 Vector ENCh
Open sourceSystem Utilities
Mac1,499 GitHub starsFree
ownCloud
ownCloud - a Kiteworks Company
Desktop Syncing Client for ownCloud
Open sourceSystem Utilities
Mac1,489 GitHub starsFree
RsyncUI
Thomas Evensen
SwiftUI macOS app that organizes rsync tasks and settings so you can skip the command line
Open sourceSystem Utilities
Mac1,481 GitHub starsFree
Multi
Kofi Gumbs
Create custom, lightweight macOS apps from websites
Open sourceSystem Utilities
Mac1,410 GitHub starsFree
Mac Monitor
Brandon Dalton
"The missing ProcMon for macOS": Mac Monitor records Endpoint Security events and displays them for analysis.
Open sourceSystem Utilities
Mac1,390 GitHub starsFree
CaskHub
Ali Elsokary
Native GUI for Homebrew Casks
Open sourceSystem Utilities
Mac1,373 GitHub starsFree
Nudge
Mac Admins Open Source
A tool for encouraging the installation of macOS security updates.
Open sourceSystem Utilities
Mac1,280 GitHub starsFree
Purge
Jithin Sabu
Free up your Mac. Safely. A free, open-source native Mac app that clears the cache and junk your Mac piles up on its own. Files go to the Trash by default, so y
Open sourceSystem Utilities
Mac1,240 GitHub starsFree
azooKey
azooKey
Open source Japanese input method for macOS with neural kana-kanji conversion
Open sourceSystem Utilities
Mac1,075 GitHub starsFree
TurboVNC
TurboVNC
High-speed VNC remote display system tuned for image-intensive applications
Open sourceSystem Utilities
MacWin1,037 GitHub starsFree
SiliconScope
Kennt YS Kim
Sudoless Apple Silicon system monitor (native SwiftUI GUI) with ANE / Media Engine / memory-bandwidth tracking
Open sourceSystem Utilities
Mac996 GitHub starsFree
ShichiZip
Light
The 7-Zip derivative intended for macOS
Open sourceSystem Utilities
Mac963 GitHub starsFree
Radix
Colin Kim
Modern, extremely fast macOS disk space analyzer.
Open sourceSystem Utilities
Mac956 GitHub starsFree
Rowel
Forward AI
Local-first Secrets Manager
Open sourceSystem Utilities
Mac953 GitHub starsFree
PPPC Utility
Jamf
Privacy Preferences Policy Control (PPPC) Utility
Open sourceSystem Utilities
Mac883 GitHub starsFree
Phosphene
Mado Kagerou · 陽炎窓
Custom video wallpapers for macOS — any video, on the desktop and the lock screen, picked directly from System Settings' Wallpaper pane
Open sourceSystem Utilities
Mac880 GitHub starsFree
KeyEcho
Zachary Lee
Listen to Mechanical Keyboard Sounds with Every Keystroke - It's Fast
Open sourceSystem Utilities
Mac877 GitHub starsFree
BlockBlock
Objective-See Foundation
Monitors Mac persistence locations and alerts you when software installs itself to run automatically
Open sourceSystem Utilities
Mac861 GitHub starsFree
PairPods
Pawel Wozniak
Free and open source app to share audio on macOS
Open sourceSystem Utilities
Mac861 GitHub starsFree
McBopomofo
OpenVanilla
Bopomofo (Zhuyin) input method for typing Traditional Chinese on macOS
Open sourceSystem Utilities
Mac849 GitHub starsFree
Santa
North Pole Security
A binary and file access authorization system for macOS.
Open sourceSystem Utilities
Mac831 GitHub starsFree
KnockKnock
Objective-See Foundation
Lists persistently installed software on a Mac, like AutoRuns for macOS
Open sourceSystem Utilities
Mac815 GitHub starsFree
Neodisk
Lucas Takayasu
Read-only treemap and sunburst disk space visualizer
Open sourceSystem Utilities
Mac609 GitHub starsFree
Monolingual
Ingmar Stein
Remove unnecessary language resources from macOS.
Open sourceSystem Utilities
Mac570 GitHub starsFree
AutoPkgr
The Linde Group, Inc.
AutoPkgr is a free Mac app that makes it easy to install and configure AutoPkg.
Open sourceSystem Utilities
Mac567 GitHub starsFree
OpenVanilla
OpenVanilla
Providing common input methods to Mac users
Open sourceSystem Utilities
Mac541 GitHub starsFree
XKey
X
Open source Vietnamese input method for macOS
Open sourceSystem Utilities
Mac525 GitHub starsFree
adrafinil
Mado Kagerou · 陽炎窓
Keep your Mac awake only while AI coding agents are working
Open sourceSystem Utilities
Mac510 GitHub starsFree
Music Decoy
The low-tech guys
Stops macOS from opening the Music app when you press Play
Open sourceSystem Utilities
Mac495 GitHub starsFree
Space Rabbit
Yaël Guilloux
Space Rabbit removes animations when switching macOS Spaces. Reclaim hours of your time every month!
Open sourceSystem Utilities
Mac462 GitHub starsFree
Pareto
Pareto Security
Automatically audit your Mac for basic security hygiene.
Open sourceSystem Utilities
Mac458 GitHub starsFree
Free Ruler
Pascal
On-screen pixel ruler for measuring things on your Mac
Open sourceSystem Utilities
Mac434 GitHub starsFree
Bramble
Doug
Local-first password manager with direct device-to-device sync
Open sourceSystem Utilities
Mac432 GitHub starsFree
deadbolt
Aaron Lichtman
Dead-simple file encryption for any OS
Open sourceSystem Utilities
Mac430 GitHub starsFree
Capsomnia
Taketo Fujimaki（藤巻雄飛）
A tiny macOS app that turns Caps Lock into a physical keep-awake switch for closed-lid MacBook work.
Open sourceSystem Utilities
Mac422 GitHub starsFree
volumeHUD
Danny Stewart
Bring back the pre-Tahoe macOS volume and brightness HUDs
Open sourceSystem Utilities
Mac393 GitHub starsFree
WhatsYourSign
Objective-See Foundation
WhatsYourSign adds a menu item to Finder.app. Simply right-, or control-click on any file to display its cryptographic signing information!
Open sourceSystem Utilities
Mac366 GitHub starsFree
ShowyEdge
pqrs-org
A visible indicator of the current input source for macOS.
Open sourceSystem Utilities
Mac341 GitHub starsFree
DoNotDisturb
Objective-See Foundation
Alerts you when someone opens your Mac's lid while you are away
Open sourceSystem Utilities
Mac332 GitHub starsFree
TLUtility
amaxwell
TeX Live Utility, a Mac OS GUI for the TeX Live Manager
Open sourceSystem Utilities
Mac324 GitHub starsFree
MacSKK
Satoshi Goto
SKK-style Japanese input method for macOS
Open sourceSystem Utilities
Mac320 GitHub starsFree
OpenDisk
137137137
Fast macOS disk-usage analyzer with an interactive sunburst chart — scans a full drive in seconds.
Open sourceSystem Utilities
Mac316 GitHub starsFree
CMTrace Open
Adam Gell
Free, open-source CMTrace replacement for Windows log files: ConfigMgr/SCCM, Intune IME, and Autopilot ESP diagnostics, DSRegCmd triage, .evtx viewing, real-tim
Open sourceSystem Utilities
Win311 GitHub starsFree
RuSwitcher
rashn
Fix a wrong keyboard layout on macOS — Latin, Cyrillic and Hebrew (RTL) — by a tap or automatically, locally and over Screen Sharing. Menu-bar app, clipboard-fr
Open sourceSystem Utilities
Mac295 GitHub starsFree
Volume Control
Andrea Alberti
Successor of iTunes Volume Control
Open sourceSystem Utilities
Mac279 GitHub starsFree
Power Monitor
SAP
Power Monitor is an application that measures and reports the power consumption of a Mac.
Open sourceSystem Utilities
Mac276 GitHub starsFree
SokIM
Dongsung "Donny" Kim
Korean input method for macOS with fast Korean and English switching
Open sourceSystem Utilities
Mac259 GitHub starsFree
MiddleDrag
Karan Mohindroo
Three-finger trackpad gestures for middle-click and middle-drag on macOS
Open sourceSystem Utilities
Mac238 GitHub starsFree
OpenCloud Desktop
OpenCloud
The OpenCloud Desktop application
Open sourceSystem Utilities
Mac238 GitHub starsFree
Tracexy
Rockxy LLC
Native, local-first network intelligence for macOS—capture live traffic, inspect PCAP/PCAPNG files, and investigate sessions, protocols, processes, flows, and p
Open sourceSystem Utilities
Mac219 GitHub starsFree
Pique
Mac Admins Open Source
A MacAdmin-focused QuickLook plugin with GitOps in mind
Open sourceSystem Utilities
Mac197 GitHub starsFree
SupportCompanion
Mac Admins Open Source
Self-service, device health and compliance for managed Macs. Works with Munki, Jamf Pro, Intune and Fleet.
Open sourceSystem Utilities
Mac192 GitHub starsFree
Replicator
Jamf
A tool to migrate data granularly between Jamf Pro servers
Open sourceSystem Utilities
Mac185 GitHub starsFree
TaskExplorer
Objective-See Foundation
See every running process on your Mac with its code signing status, dylibs, open files and network connections
Open sourceSystem Utilities
Mac174 GitHub starsFree
sACNView
docsteer
sACNView provides a tool for monitoring and sending the Streaming ACN lighting control protocol used in theatres, TV studios and architectural systems. This pro
Open sourceSystem Utilities
Win146 GitHub starsFree
Brewy
starhaven.io
Graphical app for managing Homebrew packages on macOS
Open sourceSystem Utilities
Mac143 GitHub starsFree
QDirStat
Jesus Herrera Arroyo
QDirStat - Qt-based directory statistics (for macOS)
Open sourceSystem Utilities
Mac134 GitHub starsFree
RansomWhere
Objective-See Foundation
Generic ransomware detector
Open sourceSystem Utilities
Mac132 GitHub starsFree