FreeSFX

FreeSFX is a site similar to freeplaymusic which you can sign up to in order to download free sound effects with the following conditions:

"You MUST credit freesfx.co.uk if you use our sound effects or music in your project. How you do this is up to you but please make sure that you include our website URL in your credit as follows:

http://www.freesfx.co.uk

If your project doesn't have a website or blog associated with it the credit back can be printed on any artwork for your project, added to the final credits for a film, added to your YouTube video description etc."

And in the following projects:

"You can use our sound effects and music in any commercial, non-commercial project including those that will be broadcast, including:

> Films, television programmes and radio programmes.

> YouTube videos.
> Websites, blogs and podcasts.
> Games and apps (including iPhone, Android apps etc).
> Exhibitions, conferences, museums etc.
> In your school or college project."

We are finding it incredibly useful for creating a realistic background noise in our project.