licensing.txt

steam-train-whistle-daniel_simon.mp3
steam-train-whistle-daniel_simon.wav
    http://soundbible.com/2177-Steam-Train-Whistle.html
    License: Attribution 3.0
    Recorded by Daniel Simion
Electronic_Chime-KevanGC-495939803.wav
    License: Public Domain
    Recorded by KevanGC

alarm-clock.png
alarm-clock-128.png
    Alarm clock icon
    by Delapouite under CC BY 3.0

tomato*.png
    Tomato icon
    by Delapouite under CC BY 3.0
    https://game-icons.net/1x1/delapouite/tomato.html