It's Karabiner Elements on the Mac. On Linux you can get it to do the same thing with a combination of xmodmap, setxkbmap and xcape (but it's fiddly) and on Windows with AutoHotkey (but it's fiddly) — neither are as…
The latest version of Elements has supported this for several months, if not longer (I think they'd made it work for High Sierra at least, but I could be wrong about the exact timing.) I use it for both Caps Lock ->…
It's Karabiner Elements on the Mac. On Linux you can get it to do the same thing with a combination of xmodmap, setxkbmap and xcape (but it's fiddly) and on Windows with AutoHotkey (but it's fiddly) — neither are as…
The latest version of Elements has supported this for several months, if not longer (I think they'd made it work for High Sierra at least, but I could be wrong about the exact timing.) I use it for both Caps Lock ->…