ISTE (International Society for Technology Education) - ISTE states: "The International Society for Technology in Education (ISTE) is the trusted source for professional development, knowledge generation, advocacy, and leadership for innovation. A nonprofit membership organization, ISTE provides leadership and service to improve teaching, learning, and school leadership by advancing the effective use of technology in PK–12 and teacher education. Home of the National Educational Technology Standards (NETS), the Center for Applied Research in Educational Technology (CARET), and the National Educational Computing Conference (NECC), ISTE represents more than 85,000 professionals worldwide. We support our members with information, networking opportunities, and guidance as they face the challenge of transforming education." -  (http://www.iste.org/)

4Teachers.org works to help you integrate technology into your classroom by offering online tools and resources. (http://www.4teachers.org/)

Thirteen Ed Oniline - This website, developed by Thirteen/WNET New York, PBS's flagship station, was designed to provide ongoing professional development for teachers that included standards-based lesson plans in all disciplines which integrate technology through video clips, multimedia games, and Web sites.

Web 2.0 - Cool Tools for Schools - Maintained by Lenva Shearing, ICT PD Facilitator at Bucklands Beach Intermediate School in Auckland, New Zealand, Cool Tools for Schools is a well organized, comprehensive directory of web 2.0 tools.  For more information on this site see Mr. Jarretts' NCS-Tech blog.