JDownloader is a free, open source download manager. It simplifies and improves the process of downloading files from Websites, Cloud-Storage Providers, Social Media Networks and File Hosting Sites.
JDownloader offers downloading in multiple parallel streams, throttling, resuming, CAPTCHA recognition, and automatic file extraction. It supports Click’n’Load and container files like DLC, RSDF and CCF. A large developer community ensures that current individual page-specific download scripts are kept up to date and valuable time is saved on the basis of the expandable basic framework.
It can also be used as a service on a server or Network Attached Storage (NAS) and controlled via My.JDownloader.Org from a web browser or smartphone.

 
                