Here is the periodic sampling from my del.icio.us favorites list. This time I chose the tag "Open Source." This is what I found I have:
Geek to Live: 6 ways to find reusable media: Resources for copyright-free content.
Innovation Happens Elsewhere: This open source book is intended for anyone considering using Open Source. It describes what open source is, discusses business reasons for using open source, and describes how an open source project works in a day-to-day manner. It will help you decide on whether open source is right for your project, and, if so, what steps you should take to proceed and some mistakes you should avoid.
Cultural and Organizational Drivers of Open Educational Content: This essay, in PDF format, by Malcolm Read presents the benefits of open educational content and argues for its use.
Top 40 Free Downloadable Open Source Social Networking Software Vivalogo Resources: Vivalogo's list of best free, downloadable, open source social networking software.
OER Commons: This initiative provides support for and builds a knowledge base around the use and reuse of open educational resources (OER). As a network for teaching and learning materials, the web site offers engagement with resources in the form of social bookmarking, tagging, rating, and reviewing.
Moodle: A free, open source course management system for online learning.
Insoshi: An open source social networking platform.
OpenEd Practices: A community of practice for teaching and learning with open/community-source tools.