Most Comprehensive Web 2.0 List ever:
Most Comprehensive Web 2.0 List – E-LEARNING 2.0
Elgg – Open source e-learning software. http://elgg.org/
Dropsend – Email large files. http://www.dropsend.com/
Mail2RSS – Inmail2RSS. http://www.mail2rss.org/
Nuvvo – On demand e-learning. http://www.nuvvo.com/