Viewer for Khan Academy
View Khan Academy's library of over 4,000 educational videos.Viewer for Khan Academy makes it easy to view Khan Academy's library of over 4,00...
Concentric Sky, Inc.
Pensive RSS Reader
Pensive takes a simple approach to RSS feeds. We've focused every aspect of the experience to let you easily add, organize, and read your feeds. A...
badgr
Badgr puts the power of badges in your pocket. It lets you store and display badges you've earned from any badge issuer, and it helps you discover...
APOD
Developed in partnership with NASA, Astronomy Picture of the Day (APOD) brings the vastness of space right into your hand. Browse through decades of h...
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