There's no UI tool to remap individual keys, no. It has supported installing custom keyboard layouts for a decade though. e.g. this one attempts to workaround

There's no UI tool to remap individual keys, no. It has supported installing custom keyboard layouts for a decade though. e.g. this one attempts to workaround mac os insisting you have an ANSI keyboard by installing a layout that makes mac os do the right thing when it's in that bad state: http://liyang.hu/osx-british.xhtml http://liyang.hu/osx-british.xhtml (Updated for Sierra: https://github.com/cbaggers/backup-uk-keyboard-layouts-for-macos https://github.com/cbaggers/backup-uk-keyboard-layouts-for-m...)