I recently downloaded a boarding pass wallet to my phone and it's able to generate 4 different types of barcodes, the normal Aztek and PDF417 but also QR and Da
x-ray-machines
maps
belgium
brazil
daintree
amazon-jungle
bodrum
freedom-of-movement
sao-paulo
gran-canaria
tourism
rgn
visa-refusals
seamans-book
study
temples
dfw
islam
italian-residents
cur
skg
kanto
otp
hostelworld
basque-country
norwegian-air-shuttle
delta-air-lines
timbuktu
eze
tlv