Midilot includes these unmodified browser libraries:

LameJS 1.2.1 — LGPL-3.0. Upstream: https://github.com/zhuker/lamejs
License: LGPL-3.0.txt with GPL-3.0.txt; upstream LAME-COPYING.txt and lame-LICENSE.txt are also preserved. Corresponding source: lamejs-1.2.1-source.tar.gz in this directory. LAME project: https://lame.sourceforge.net/

ABCJS 6.7.1 — MIT. Upstream: https://github.com/paulrosen/abcjs
License: abcjs-LICENSE.txt.

Midilot music-tools.js and tool-page.js are separate local application code.