Hereyago is a project mainly written in RUBY and JAVASCRIPT, it's free.
A tool for selectively distributing files via http.
Hereyago.
Michael Hoydis
https://github.com/mhoydis/hereyago
Hereyago is a rails app which uses Devise and Paperclip.
DO NOT TRY TO USE THIS YET. IT DOES NOT WORK YET.
Here's my current wishlist of features:
I've come to learn that Hereyago is basically an open source Yousendit* that you can host yourself on your own server. edit: oh also apparently there's a PHP app called Open Upload (http://sourceforge.net/projects/openupload) too. Whatever. Mine's going to be better.