cchound.com is a library of carefully hand-picked music & sounds that you can use for free in your own creations, with a simple indication of what is required to use it.
Music for Makers delivers one "use however you want" song by email every week — for free.
Website development cost calculator was our first take on price quoting automation. Then we pivoted to create the self-service quoting software and automation comes on top of it. The calculator is as live example how the price quoting automation works - simple questions translated into a price quote.