Dropbox
Dropbox is a free service that lets you bring your photos, docs, and videos anywhere and share them easily. Never email yourself a file again!

OwnCloud
ownCloud is a flexible, open source file sync and share solution. Whether using a mobile device, a workstation, or a web client, ownCloud provides the ability to put the right files at their employees’ fingertips on any device in one simple-to-use, secure, private and controlled solution.
Seafile
Seafile is a professional and reliable private cloud storage. Compared to other cloud storage systems, Seafile focuses on privacy protection and teamwork. Collections of files are called libraries, and each library can be synced separately. A library can be encrypted with a user chosen passwor...
Simple DropBox
Simple Dropbox its a nice personal private or public file upload system. It can use a custom upload directory protected or not the file urls are protected. With adding a password from public upload system u make it password protected one!
SparkleShare
SparkleShare is open-source client software that provides cloud storage and file synchronization services. By default, it uses Git as a storage backend. It is comparable to Dropbox, but the cloud storage can be provided by the user's own server, or a hosted solution such as GitHub or Gitorio...
WebGet
An nice and full featured file hosting script some quick features: no mysql needed, paypal integration, banner ads for users, multiple upload methods.....
XFilesharing Pro - Professional File Sharing Script
FileSharing Pro is SibSoft's advanced, professional file sharing script. Over 500 of our clients are currently using this powerful platform. They all agree that XFileSharing Pro is the best solution available on the Internet today. XFileSharing Pro can be installed on virtual, shared, or...
YetiShare - Professional File Upload Script
This PHP5 script enables you to setup and manage a professional file hosting website. It comes with a full admin area for managing the site, a modern multi-file upload interface, user registration & members area, premium upgrades via PayPal, easy advert integration, feature rich admin area, multi...