The Ambleside Online curriculum is a free homeschooling curriculum designed to be a modern equivalent to the curriculum that Charlotte Mason used in her own PNEU schools.
Getting Started with Charlotte Mason
Information on how to jump start a CM education including narration, copywork, and scientific topics.
Mater Amabilis - A Catholic Charlotte Mason Curriculum for the 21st Century
A free Catholic curriculum and resource guide for those homeschooling the CM way.
Resources and information on the Charlotte Mason method, by Penny Gardner, the author of "Charlotte Mason Study Guide."
Simply Charlotte Mason
Features a curriculum guide, living books, narration and dictation ideas, copywork, and online planner.
The Breathing Room
A site for the encouragement and education of Charlotte Mason homeschoolers.
Yahoo! Groups: Charlotte Mason Study Group
CMSG is an online Christian support group for those homeschooling with living books.