System Utilities

The best free, open source VM app for Mac. Run Windows or Linux in a window using Apple Virtualization Framework or QEMU. Native Swift app, no Electron.

Keyboard control for external monitor brightness and audio on macOS.

A full-featured menu bar system monitor with deep hardware visibility and fan controls.

A modern uninstaller that cleans app leftovers and keeps macOS tidy.

Deep customization for mouse acceleration and scrolling behavior on Mac.

qBittorrent is a free, open-source BitTorrent client with a polished Qt interface. It features an integrated torrent search engine, sequential downloading, IP filtering, and no bundled adware.

Yabai is a tiling window manager for macOS based on binary space partitioning. It enables automatic window tiling, powerful scripting, and keyboard-driven workflows on macOS.

Karabiner-Elements is the definitive keyboard customizer for macOS. Remap any key, create complex rules triggered by key combinations, fix keyboard issues (like Caps Lock lag), and support third-party keyboards with macOS-unfriendly layouts. Completely free and open source.

Smooth mouse scrolling and per-app scroll direction for macOS

Background Music is a macOS audio utility that automatically pauses your music when other audio plays, lets you set per-app volume levels, and records system audio — all without any external hardware.

BlackHole is a modern macOS virtual audio loopback driver. Route audio between applications with zero additional latency. Essential for podcasters, musicians, and streamers who need to capture system audio.

Amethyst is an automatic tiling window manager for macOS inspired by xmonad. It organizes windows into predefined layouts automatically, supports multiple layouts, and is fully keyboard-driven.

Hammerspoon is a staggeringly powerful macOS desktop automation tool. It bridges Lua scripting directly to macOS APIs, letting you automate anything: window management, hotkeys, alerts, file system events, and more.

Elegant radial menu for window management on macOS

Make any mouse feel like an Apple Trackpad on macOS

System-wide audio equalizer and volume mixer for macOS