What is .LRN?

A fully open source eLearning platform.
A portal framework and integrated application suite to support course management and online communities.
A scalable, secure, and enterprise-ready eLearning platform that can be deployed readily by small and large organizations.
A modular architecture to permit flexibility and to drive innovation.
A set of best practices in online learning shared in the form of source code.
[by way of...elearnspace blog]