CloudOsys - Internet file sharing :: Web based file manager. Content Management Software (CMS) - Version 2.2b2 Use CloudOsys to let your visitors upload media content directly to your website.CloudOsys is for managing files, through the browser. Your visitors will upload files directly to your website, where they can share and comment on them. It includes PHP scripts and a web installer. You just need to unzip, upload and run the installer.