FTPbox!

Syncany is an open-source cloud storage and filesharing application. It allows users to backup and share certain folders of their workstations using any kind of storage, e.g. FTP, Amazon S3 or Google Storage.

Minimalist Drag & drop file sharing JS applicationDrag, drop and share

Freehold - An open, secure, and lightweight platform for your files and data.

CmisSync synchronizes files to/from any enterprise file server.It looks very much like Dropbox, but synchronizes with an existing file server instead of synchronizing with Dropbox's server.Can synchronize with Alfresco, Documentum, FileNet, SharePoint, Nuxeo, NemakiWare, eXo Platform, and any other CMIS-compliant server. Not cloud-based: CmisSync can work on local networks without Internet.

#### REQUIRES A SYNOLOGY NAS ####

Zaclys provides easy and secure cloud online storage and synchronization based on the ownCloud free and open-source solution.

vBoxxCloud makes collaboration and file sharing easy and keeps your information private in the Netherlands or on-premises. As a Cloud solution designed for businesses, it provides a robust central dashboard where you can manage users, organization and control all activity within the Cloud. Share with external parties and backup files to the Cloud, while using your own branding across vBoxxCloud. Supports all platforms and Active Directory / LDAP.

FTPSync.pl is a PERL skript to synchronize a local directory tree and a remote FTP directory tree.

700 files - Free file upload service

File-upload.info is a free upload service for files up to 100MB

You can upload 500 gb of your files.

Free and anonymous file sharing - Upload files up to 500MB.