WWW File Share
WWW File Share is a software which can help you share files with your friends all around the world. Simply specify the path which contains files you want to share and the port number to start the share service, then press "Start" button, a service will start on your computer and your computer become a server, you can stop this service anytime. Then your friends can visit your computer and download files via browser. They do not have to install this software if they just want to download files from your computer.