AutoHotkey, Razer Synapse, X-Mouse Button Control, SharpKeys, Karabiner Elements, Key Remapper, KeyTweak, MacroGamer, SteerMouse, AutoKey, ControllerMate, Microsoft keyboard layout creator, Apptivate, OldAutoKey, Clickermann, Smoothmouse, FastKeys, Simple Disable Key, KeyExtender, X-Mouse Controls, MapKeyboard, AutoClipX, TaskLayout, Xposed Additions, Spark (Hotkey Manager), OpenRazer, HydraMouse, Hammerspoon, MKey, HotKeyBind, OpenWith Enhanced, xmodmap, AlwaysMouseWheel, Clicador, DoubleCommand, Clavier+, Keybreeze, KeyBindingsEditor, Buwlink, aLaunch, Key Remapper 4dots, Keyboard Master, Stick Shift are some alternatives to Key Manager.