Whenlio alarm samples — downloaded 2026-10-05
All four source pages explicitly license their sounds under CC0 1.0:
https://creativecommons.org/publicdomain/zero/1.0/

bell.wav — Correct Bell — Fupi
https://opengameart.org/content/correct-bell
https://opengameart.org/sites/default/files/bell.wav

soft-bell.wav — Pleasing Bell Sound Effect — Julie Damsgaard / Spring Spring / Spring Enterprises
https://opengameart.org/content/pleasing-bell-sound-effect
https://opengameart.org/sites/default/files/pleasing-bell.wav

 doorbell.wav — Doorbell — frosty ham
https://opengameart.org/content/doorbell
https://opengameart.org/sites/default/files/doorbell.wav

alarm.wav — Alarm — Frenchyboy
https://opengameart.org/content/alarm-2
https://opengameart.org/sites/default/files/alarm_0.wav

Basic beep is generated locally by Whenlio using a sine wave.