Apps similar to Windsify include Rectangle, which is open source with a free version. Other options are BetterTouchTool and Karabiner Elements. In total there are three Key Mapping Tools like Windsify for Mac.
Move and resize windows on macOS with keyboard shortcuts. Rectangle is a window management app based on Spectacle Wndow Manager, written in Swift (programming language).
United States
Customizes input devices on macOS by enabling gesture and button mapping, keyboard shortcut assignment, window snapping, automation, scripting, multi-device integration, and iOS app control. Features include touch bar, Apple Remote, and per-app profiles.
Germany
EU
Karabiner, previously called KeyRemap4MacBook, is a very powerful keyboard remapper for Mac OS X. In addition to simple key remapping, it has special remapping modes like Emacs-mode, SandS-mode (Space and Shift).
Japan
