JDownloader is a download manager specially created to help you on those annoying tasks like downloading files from storage servers like megaupload.com, rapidshare.com, etc. Thanks to this great program, all you have to do is just insert the download link, and forget about waiting the first download to finish before starting the second one. It offers downloading in multiple parallel streams, captcha recognition, automatic file extraction and much more.

Features
- Download files from storage servers easily.
- No need to type security code the program does it automatically
- You can que up downloadable files to download each after another
- Add link by drag/drop or click & load function
- Extract RAR files automatically
- Free plugins

Screenshots

Main Screen	Plugins and Addons
Hosts	Settings

Performance
This Java-based tool makes the whole file downloading process much easier for those sites, saving you the pain of going through endless pop-up windows, waiting times and download links cunningly hidden among dozens of Google AdSense boxes. Great performance.

Reliability
Very reliable.

Interface
Great looking interface. Very easy to operate and navigate. You can change the look and feel of the interface as well as the language. It supports 37 different languages.

User Friendly
Very Easy to install and operate

Misc.
You can download multiple files from multiple hosts. Many “link encryption” sites are supported – so you just paste the “encrypted” links and JDownloader does the rest. JDownloader can import CCF, RSDF and the new DLC files. Freewaremission.com had fully tested, reviewed and uploaded the install files. JDownloader does not contain any adware or spyware.  Is support proxies so any limitations for downloading can be bypassed.

Support and Help
Good Support and Forum. they even offer live support on several languages. Part of the support is a also a knowledge base and FAQs section

Pros
+ Multilingual support
+ Installs FireFox integration (FlashGot)
+ Supports many hosts

Cons
- JDownloader requires Java Runtime Enviroment (jre/jdk) 1.5 or higher.
- Big file to download
- Cannot resume downloads

Conclusion
JDownloader will become one of your favorite tools if you are downloading/uploading files on regular bases.