Word Processing Apps
Google Docs is a free, web-based office suite which also allows for virtual collaboration on documents.
Sync.in is a web based word processor for people to collaborate in real-time.
QuietWrite.com provides users with a way to write peacefully online.
TextFlow offers parallel word processing to produce text faster and use feedback better.
iEtherPad is a web-based word processor that allows people to work together in real-time.
TypeWith.me is an online text collaboration tool.
Zoho Writer is a web based word processor to create, edit and share documents online.
Writeboard is a collaborative web-based text editor developed by 37signals.