I've never heard of Lua, but now that I am looking at it, it seems very friendly. Love how they call things what they are, for example `local` is just a local variable, or `repeat X until Y` for a loop. It's a joy to see, to be honest.
A decade ago, I thought Lua would be where JS is today. But JS won...
A new text editor in Lua, why not: https://github.com/rxi/lite
(Rxi is awesome, see https://rxi.itch.io/)
rxi indeed is awesome! Do you know in what language/engine his (her?) tools on itch.io are written? They all have an awesome pixelart look to them and I wonder if (s)he uses lua for them too.
The tools are all written in C and use microui[1] for the UI. The games are typically written in LÖVE with the exception of SCANLINE which uses Nim