"Intel Teach helps K-12 teachers of all subjects learn to engage students with digital learning, including digital content, Web 2.0, social networking, and online tools and resources. Intel Teach professional development empowers teachers to integrate technology effectively into their existing curriculum, focusing on their students' problem solving, critical thinking, and collaboration, which are precisely the skills required in the high tech, networked society in which we live."
"The Teacher Tap is a free, professional development resource that helps educators and librarians address common questions about the use of technology in teaching and learning by providing easy access to practical, online resources and activities. "
Collaborating involves connecting through online networks. This is a very comprehensive list of networks on social networking and professional networking sites.
ERIC is an online library of education research and information, sponsored by the Institute of Education Sciences (IES) of the U.S. Department of Education. It provides access to over one million journal articles and other education related materials.
Information on free primary-source based professional development for teachers from the Library of Congress.
Download ready to present professional development modules or interactive online modules which include a certificate of completion.