The wonderful Freesound is loaded with sound effects, scores, orchestrations, sound design and much more. You can download the sounds, edit them, use them in many different ways, and even create your own . To add or remove sounds from their database they have a Soundcloud page. Sounds can be yours; see How to get your sound files to learn how.
If you are a musician, artist, writer, broadcaster, or game developer and you need more music than any app can provide, or you need to change a song for your production, or you want more percussion for your game, there are a few options.
The great thing about sound is that we can sample when it was really there. So we looked into what's been around for 100 years and no true film for 100 years has the sounds needed for movies; so we created the hero's journey of sound...
A collaborative database of Creative Commons Licensed sounds that exist for ten years. Here you can browse, download and share sounds and use them freely. Just as the WordPress is an open source, the Freesound Project is an open database for audio sounds and music.
A large number of free public domain music for you to download and use. And, while not all of them are free, the ones that are clearly marked and easy to find. There are more than 1,400 royalty-free recordings for use in video, film and multimedia projects and about 20% of them are completely free. New music is being added each month. d2c66b5586