A CollaborativeEditor allows multiple individuals to simultaneously edit the same document.
Collaborative real-time editing of text online is fascinating. When properly worked into the wiki-process it has the potential to speed up the development of wikilandia enormously.
The available collaborative editing programs are not perfect yet. This page is to foster their evolution. This page is for general discussion on collab-editing. Everything specific to a single project goes to the project pages.
It’s also meant as a feedback platform to give the developers information about what features are needed, what the possible applications are, …
This Cluster has a homepage on the wiki-center collab-editor-wiki.
moove entry up if a new version is released
Graphics whiteboarding:
other lists:
Significant CollaborativeEditor-ish WYSIWYGs that aren’t simultaneous:
List of others projects : Collaborative Writing Systems Available on the Web by Sylvie Noël
Retired Projects:
Encyclopedic entries are
These pages are good for describing the state of art, but are not appropriate venues for development of the concepts and supporting code. As important technical points are refined and project milestones are reached, we will work together to keep the encyclopedic pages up to date.
intcomm-wiki: SubPathEtaEdit-links has a lot of fine links on collaborative editors on it.
There is also s23-wiki: collaborative editor.
applications of collab-editing are
See also this blog post:
So there is some demand 
Googeling collaborative editor shows that many people are working on it. Mostly I do not understand much.
Re: this line in this page (not sure if i’m using this feature right)
Sylvie and myself experienced using http://www.writely.com/ simultaneously in WYSIWYG mode
Note for Mattis: to test the Writely Ting page by mid-November you must let me in as collaborator … please use : luigi DOT bertuzzi AT mclink DOT net
So, is Wikipedia:PictoChat a graphical collaborative editor?
No. Because you can’t collaborate on the same image in real-time. It’s a graphical instant messenger.