This extension convert recursivly Microsoft Publisher document in OOo format (impress)

...but this not the perfect converter : I don't parse the pub file : I just use Publisher COM component.
So Publisher has to be installed !
Anyway, I think it can be usefull for a lot of people "captive" of Publisher.

This extension provide an easy way to crop images in Draw or Impress.
Have a look at http://www.alicvb.com for more details.

Soon Come
Alter a documents (creation, edited, print) data with a dialogue. Set the meta information of an OOo document, like editor, total editing time and version cycle or set your own or to "new document" values.
Localized English, German or Dutch user interface (see screenshots).
Online Documentation in English or German

Such as, the Draw module of OpenOffice.org makes it possible to make technical drawing. CADOO.o adds some functions that one can find in other CAD.

The O3Spaces Workplace is a web2.0 OpenOffice.org collaboration and document management extension. The O3Spaces Workplace is available as a free to use Community Edition, offering integrated OpenOffice.org collaboration and document features for teams and workgroups.
O3Spaces Workplace lets you create, publish, version and search ODF documents from your OpenOffice.org suite.

-More information is available at http://www.o3spaces.com
-Download direct at http://community.o3spaces.com/downloads