alphaTab 1.8.4 — Mozilla Public License 2.0. Bravura — SIL Open Font License 1.1.
SONiVOX soundfont is distributed with the alphaTab package under its included Apache 2.0 LICENSE; provenance README is included.
Melotivo applies a lifecycle cancellation fix to alphaTab 1.8.4. The modification is available in alphaTab-cancellation.patch under MPL 2.0.