Apps similar to Karabiner Elements include AutoHotkey, which is free and open source. Other options are AutoIt, BetterTouchTool, Tuna and InputConfig. You're spoiled for choice with Key Mapping Tools like Karabiner Elements: we list more than 50 alternatives for Mac, Windows, Linux, the web and Android.
Graphical tool for editing macOS keyboard layouts with drag-and-drop assignment of Unicode characters, creation of dead keys, mapping character strings, visual feedback, native .keylayout support, and easy customization for scripts or special input needs.
United States
canSnippet is a snippet management tool for macOS. It allows developers to easily save snippets and integrate them in any running application.
Formerly iKey (changed with v2.6, 2017-04-12), yKey creates shortcuts for an action or sequence of actions that can be launched by hotkey, menu, timer, event or a USB trigger.
KeyTik is an open-source, all-in-one automation tool that lets you automate nearly anything at your will. Initially, KeyTik focused on being a keyboard remapper with profiles, allowing you to activate or deactivate each remap individually.
RMT (RuoMengTu) is a free, open-source macro tool built on AHKv2. Let the code handle the tedious work—you have more meaningful things to do.
China
Cross-platform desktop automation app with macro recording, playback, scheduling, text expansion, CLI tools, and Wayland/X11-aware Linux support.
Offers tools for building custom keyboard layouts, editing existing setups, and supporting multilingual input locales. Compatible with Windows 2000 to Windows 7, including 64-bit platforms, and enables packaging for easy installation on multiple machines.
United States
Simple shortcut manager for macOS 10.8 or higher. It lets you execute any command that works in your terminal by pressing a combination of keyboard keys. No rocket science involved!.
Ukraine
Free software for easily automate your recurring tasks.
Automation Workshop is software for automation of complex and recurring processes that would otherwise take a lot of intensive and repetitive user work time. Create automated tasks easier than ever before. Automation Workshop requires no scripting, programming or coding skills.
Latvia
EU
Khd is a simple modal hotkey-daemon for OSX, using Quartz Event Services.
Norway