TWICE - Two Way Ineractive Connections in Education
A relevant and accessible source. TWICE is Michigan's (USA) organisation for videoconferencing in K-12 education. It promotes and supports collaborative connections for the benefit of all students. TWICE listserv.

K-12 Videoconferencing Listserv
Created in 2003, this is a listserv for educational technologists and other educators who have an interest in the use of two-way interactive videoconferencing in K-12 schools and school districts. Located at SCRTEC in Austin, Texas.

Global Leap - Videoconferencing in the classroom
Developing interactive videoconferencing across the curriculum in the UK and around the world. Access to regular newsletter.

iEARN
Started in 1988, iEARN is the world's largest non-profit global network that enables teachers and young people to use the Internet and other new technologies to collaborate on projects that both enhance learning and make a difference in the world.

Videoconferencing in education
Strategies for Using Videoconferencing Technology in the K-12 Classroom: A Teacher's Digital Handbook. The lists of content resource providers on these pages is designed to assist teachers in making connections with videoconferencing resource providers and partners. 

Digital Bridges: videoconferencing for teaching and learning
Resources to assist K-12 teachers and administrators in designing, implementing, and supporting instructional and other projects using the Internet and videoconferencing technologies.

Nassau Board of Cooperative Educational Services
Program Guide - List and contact details of distance learning content providers for K-12 education.

Polycom - Education
Producers of high quality VC cameras, this company is the leader in videoconferencing equipment for schools. Pay the price in the beginning to install an efficient working system.

Polycom Whitepapers
New research papers represent the latest information regarding effectiveness, content and the expansion of Internet2.

Tanberg Visual Communication
Supplier of video conferencing equipment. White papers and other information to assist the introduction of videoconferencing.

Videoconferencing out on a Lim
Experiences, curriculum thoughts, new resources, and technology rants related to educational videoconferences in this blog.

Videoconference adventures
The places you will go while using interactive videoconferencing! Students and teachers can see and hear each other simultaneously whether across the state or around the world.

BCISD Videoconference Programs
Gives you and your students an opportunity to connect to people and places you might not be able to otherwise, such as zoos, museums, NASA, the U.S. Congress and more. Sample

NASA Astrobiology Institute Tools
NAI has evaluated a number of collaborative tools and is continuously evolving their use. The site lists the tools currently in use by NAI members and how to access them.

Global Education Motivators
Founded by educators in 1981 to help meet the complex needs of bringing the world into the classroom. GEM has consistently worked with students, teachers and administrators through on-site and distant learning workshops and classroom program support to promote a better understanding of the world and its people.