ZeroBraneStudio
A lightweight Lua IDE with code completion, syntax highlighting, live coding, code analyzer, and debugging support.
Lua › Resources > IDEs and Plugins: “Lightweight, customizable, cross-platform Lua-dedicated IDE with code completion and analysis, written in Lua. Has broad debugging support for numerous Lua engines.”
LÖVE › IDEs: “A lightweight Lua IDE with code completion, syntax highlighting, live coding, code analyzer, and debugging support.”