What are some alternatives?
When comparing Racaty and Uptobox, you can also consider the following products
MultiUp - Your files will be uploaded on many filehosting websites. MultiUp.org is a file mirror website.
Mega - Secure File Storage and collaboration
MirrorCreator - Upload one file of 400 megs or less to multiple free file hosts -- 14 at most. 25 possible hosts.
WeTransfer - WeTransfer is a free service to send big or small files from A to B.
Multifilemirror - Multifile mirror is a file mirroring website.
MediaFire - MediaFire is the simple solution for uploading and downloading files on the internet.