Yes, here is the link to their Liftoff’s GitHub https://github.com/liftoff-app/liftoff
License is listed as GPL-2.0
FWIW I use Pop!_OS
Yes, here is the link to their Liftoff’s GitHub https://github.com/liftoff-app/liftoff
License is listed as GPL-2.0
They were put there by a man!