Brilliant course on VGA programming for 2d and 3d graphics with excellent coverage of a wide range of graphics algorithms

Google: MapReduce in a Week
This page contains a comprehensive introduction to MapReduce including lectures, reading material, and programming assignments. The goal is to provide a set of lectures which can be integrated into an existing systems courses such as Operating Systems, Networking, etc, which already are taking an "under the hood" approach to computer science. Prerequisite knowledge includes Multithreading, Synchronization, locks, semaphores, barriers, etc, and sockets.

"A bold experiment in distributed education, "Introduction to Databases" is being offered free and online to students worldwide, October 10 - December 12, 2011. Students have access to lecture videos, are given assignments and exams, receive regular feedback on progress, and participate in a discussion forum."

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Free Penn State course on gamification

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