For the last several months I've been working on a new open source project that I've been calling SynchroEdit. SynchroEdit is a browser-based simultaneous multiuser editor, useful for "same-time" collaboration. The basic concept is that it allows multiple users to WYSIWYG edit a single web-based document, all at exactly the same time. SynchroEdit continuously synchronizes all changes so that users always see the same version. They can also see each others' changes as they type, see where each user is currently editing, and see each others' changes by color.

A number of my posts have been about integrating different domains of knowledge in order to better understand how human behavior should be incorporated in the design of social software. I found The Dunbar Number in sociology, and both Four Kinds of Privacy and Progressive Trust come from my work in the cryptography field. The topic of this post comes from the field of architecture. In order to provide for Progressive Trust, you need to establish what is known as an "

I've not just been spending time looking at social networking services, I've also been digging deeper into wiki. I've still got more to go, but some of these will be of interest to you if you are considering implementing a wiki for your community, or if you are a wiki developer. Zwiki is based on Zope, and thus has a very interesting feature set. One of the more popular features is the topic mappings that it creates.