Most teachers have at least some experience with commercial educational software. However, in addition to commercially available software, there are a growing number of open source learning software being developed. Open source is a very unique movement begun by developers who wished to offer their creations to others �for the good of the community� and encouraged them to do the same. Users who modify or contribute to the evolution of the software are obligated to share their new code as well. This article presents several examples of open source learning software that can be used in authoring and creative classroom projects.

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Some of these projects go way beyond software. Universities are putting entire courses/curriculum online. You won't earn credit; but its a great opportunity for those wishing to expand their horizons.

Check out the MIT OpenCourseWare Project, the OpenCourseWare Consortium or Open University's Open Learn for free and open educational resources for learners and educators around the world.