The objrs_frameworks_app_kit crate provides bindings for Apple's AppKit framework. This crate is far from complete, but has some partial bindings for the following AppKit types:
NSApplicationDelegate.NSApplication.NSMenuItem.NSMenu.NSResponder.NSViewController.NSView.NSWindow.
See the COPYRIGHT file. objrs is triple-licensed under the Apache License 2.0, MIT License, and Mozilla Public License 2.0 terms.