AutoHotkey, AutoIt, BetterTouchTool, Keyboard Maestro, Automator, TextExpander, SharpKeys, Key Remapper, Keyran, KeyTweak, Beeftext, Quicksilver, aText, ControllerMate, CustomShortcuts, Microsoft keyboard layout creator, QuicKeys, Ukelele, WinParrot, Multi Task Tool, Stepwise, Repeat, Shortery, Key Mapper, Fluid Navigation Gestures, WinAutomation, Quick Macros, Macro Express, Mini Mouse Macro, Simple Disable Key, Kinto, KeyExtender, Automation Workshop, Buttoncommander, Paletro, Mjolnir, Key Manager, Axife Mouse Recorder, X Keyboard Extension (XKB), PS Hot Launch VVL, Hammerspoon, Anacron, keystarter, Perfect Keyboard, Briskine, CodeExpander, xcape, canSnippet, xmodmap, KbdEdit, DoubleCommand, TouchCursor, Clavier+, Lord of User Interface, iCanHazShortcut, KeyBindingsEditor, Key Remapper 4dots, Stick Shift, Physcape, TastenTrick are some alternatives to Karabiner Elements.