Royalty free sounds with PdSounds.
Pdsounds volunteers record free sounds for the public domain. Browse the Catalog or use the search. Catched a good sound? Hunted a weird noise? Went discovering with your recorder? Share your finds with the public and upload them.
The mission PdSounds is to record and share recordings of everything that we can hear. This will only be limited by what personally struck us to record it, and by common sense.