For Sightless, we used lots of audio from Freesound.org
Below are the credits for the various sounds in game, and the link to their Freesound profiles, as instructed under the attribution license.
Analog Alarm Clock by Bone666138
Eerie Background Space Noise by BendtheBasics
SS Boom 01 by Sandyrb
07 Sliding_door_real by Stereostereo
Suburb fall night light traffic by Bennychico11
Door Slam 2 by Bennstir
Fridge_1 by Coldwellw
Shower by Geodylabs
Birds Chirping 4 by IFartInUrGeneralDirection
Tick Tock Clock - Close Mic by Stereostereo