The SharePoint Learning Kit was released a few months back via CodePlex and is an e-learning delivery and tracking application built in WSS 3.0.

In an excerpt from the product page:

SharePoint Learning Kit is a SCORM 2004 certified e-learning delivery and tracking application built as a Windows SharePoint Services 3.0 solution. It works with either Windows SharePoint Services 3.0 or Microsoft Office SharePoint Server 2007, and has the following core features:

Supports SCORM 1.2, SCORM 2004, and Class Server content, allowing users to store and manage this content in SharePoint document libraries.
Supports learner-centric and instructor-led (assigned) workflows.
Allows assignment, tracking and grading of both e-learning and non-e-learning content.

Download page for SharePoint Learning Kit

SharePoint Learning Kit via CodePlex
SharePoint Learning Kit FAQ