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.

CloudMe is a free and open service to sync, store and make all your files available in the cloud through an easy to use Blue Folder.

FileTransfer allows you to securely share files up to 6GB with your family, co-workers or friends for free. Files stay uploaded for 3 weeks.

Sia is a new decentralized cloud storage platform aimed at giving users control of their data.

Jirafeau is an open-source web site permitting to upload a file in a simple way and give an unique link to it.

The only automated sync, back-up, collaboration and file management service powerful enough for a business user and easy enough for a novice. Secure, anywhere access to your files.

OpenDrive is a remote drive for your computer, that allows you to store, sync, share, link, sell, advertise or back up files from your computer on the Internet with free 5GB.

Files.fm provides cloud data storage, backup and SaaS solutions for private un business users, so that they can easily store, backup, share, publish or sell files worldwide.

A full-featured home-hosted Cloud Drive & Personal Assistant. Convert files, create archives, scan for viruses, perform OCR on images or documents, stream media, edit images and more! Compatible with HRC2 Apps!.

Dropmark is a visual collaboration tool for creative people and teams. Drag and drop to the menu bar app, and your files are automatically uploaded to the cloud. Organize and invite colleagues to view and collaborate privately, or share your content with the world.

DropboxPortableAHK is a portable version of the Dropbox client using AutoHotKey.

Use odrive to access your ADrive account, along with all your other cloud services, from a single folder on your desktop.