SABnzbd is an open-source cross-platform binary newsreader written in Python.

It simplifies the process of downloading from Usenet dramatically, thanks to its friendly web-based user interface and advanced built-in post-processing options that automatically verify, repair, extract and clean up posts downloaded from Usenet. SABnzbd also has a fully customizable user interface, and offers a complete API for third-party applications to hook into.

Main features of SABnzbd+:
1. Multi-threaded newsgroup downloader.
2. Cross-platform (works on XP/Vista, Linux, Max OS X).
3. Automatic repair and extract of downloaded files.
4. Low RAM usage.
5. Fully featured WebUI allowing remote login.
6. NZB file support
7. Other features:
8. Support for the Newzbin API
9. Post download scripting
10. Post download E-Mail notifications
11. Automatic RSS download support
12. Support for multiple usenet servers
13. Folder monitoring

The license of this software is Free Trial Software, you can free download and get a free trial.