Kapili.com offers over three hundred science tutorials and over three hundred activities, broken into general, life, earth, space, and physical science sections. Members can print the tutorials for use offline or in classrooms. Their library continues to grow with a glossary of over 4,500 entries and a species database with over 1,000 animals and plants.
Hillside Education publishes quality literature study guides with a distinctly Catholic perspective. The guides include discussion topics, writing prompts and art activities that draw out literary themes and help students connect with the stories. Products range from full-length study guides that can be used for a year's literature study, like the Novel Inquiries series, to discussion guides that can be used in conjunction with any reading program.
Teaching with Historic Places (TwHP) uses properties listed in the National Park Service's National Register of Historic Places to enliven history, social studies, geography, civics, and other subjects. TwHP has created a variety of products and activities that help teachers bring historic places into the classroom. Includes a series of lesson plans; guidance on using places to teach; information encouraging educators, historians, preservationists, site interpreters, and others to work together effectively; and professional development publications and training courses.
This webpage has a list of articles detailing many of the issues and ideas surrounding starting a homeschool support group. You'll find discussions of everything from why you should form a support group, to choosing a leader, to delegating and handling tough situations.