Alternative to EtherPad
"Primary Pad is a web-based word processor designed for schools that allows pupils and teachers to work together in real-time."
"Web-based word processor that allows people to work together in really real-time. When multiple people edit the same document simultaneously, any changes are instantly reflected on everyone's screen. The result is a new and productive way to collaborate on text documents, useful for meeting notes, drafting sessions, education, team programming, and more."