Apache Wave is described as 'Software framework for real-time collaborative editing online. Google originally developed it as Google Wave' and is a team collaboration tool in the network & admin category. There are 1 alternatives to Apache Wave for Web-based. The best Apache Wave alternative is Rizzoma, which is both free and Open Source.
Email and IM are linear contextless communication tools. Messages pile up and get lost or become redundant. There's no way to keep track of who replied to what, or which version of the conversation is the newest.
