Window managementmacOS 9
Show Bar
Native macOS app switcher with live window thumbnails, Dock hover previews, window snapping, clipboard history and screenshot tools

Open source
star on GitHubFree native macOS window manager: Windows-style Command-Tab window switcher, live Dock hover previews, window snapping, clipboard history & screenshot shelf (Swift/SwiftUI)
alt-tabclipboard-managerdockfreewarehomebrew-cask