Resources: Teaching & Computer Recycling

The Abandonware Petition: Help this and similar projects by signing it.
Mac in School: Columns, lesson plans, and other resources.
TuCows Macintosh Site: Freeware and shareware from a site committed to open-source computing.
The Freeware Connection: Another great site with freeware for all operating systems.
Pep: An organization that lists computer recycling services nationwide.