Khan Academy - Khan Academy offers online tools to help students learn about a variety of important school subjects. Tools include videos, practice exercises, and materials for instructors. Read more about Khan Academy.

SABnzbd - SABnzbd is a free/open-source cross-platform binary newsreader written in Python.

edX - Best Courses. Top Institutions. Learn anytime, anywhere.

NZBGet - The most efficient usenet downloader.

Coursera - Build skills with courses, certificates, and degrees online from world-class universities and companies

GrabIt - GrabIt is a free application that enables you to easily find and download content from Usenet news...