Skype is a great tool for students and staff. With in the classroom teachers can use this to "bring in" experts on a topic, communicate and share information with classrooms around the world or just across town, or have an authentic audience for their work, presentation or performances. How will you use skype?
Translation tool for use with up to 150 words at a time.
The single biggest problem in communication is the illusion that it has taken place.
George Bernard Shaw
Wikispaces offers free and paid versions with different tools and settings.
PBworks offers free and paid versions with different amounts of space and capabilities.