Alf's spotify searches for independent record labels. Super, even if the Ninja Tune list is a bit Cinematic Orchestra heavy. (I like the Cinematic Orchestra, but I like other things, too).

"Opentape is a free, open-source package that lets you make and host your own mixtapes on the web. Upload songs (via web or FTP), reorder, rename, customize the style, and share what you like on other sites with an embeddable player."