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

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

Install a funtion in Calc in the section Text to describe a mount in mexican coin.
For examples:
=AMONEDAMX(13.01) -------> trece pesos 01/100 MN
=AMONEDAMX(1.99) ---------> un peso 99/100 MN

Instala una función para Calc en la sección Texto que describe una cantidad en pesos como se acostumbra en México.
Como ejemplos:

=AMONEDAMX(13.01) -------> trece pesos 01/100 MN

Install two functions in Calc in the section Text to describe a integer number in spanish or english.
For examples:

=INSPANISH(15) -----> quince
=INSPANISH(13.5) ---> trece

=TOWORDS(15) -----> fifteen
=TOWORDS(13.5)---> thirteen

Instala dos funciones para Calc en la sección Texto que describen la parte entera de un número en español e ingles.
Como ejemplos:

MultiDiff is a tool which enables users to simply and simultaneously issue OpenOffice.org documents in several formats. It is possible to send those documents by mail or save them in a directory, so that other users can access them.

Compatibility

- OpenOffice.org : 2.2 and above (Writer, Calc and Impress)
- OS : Linux and Windows (XP, 2000, 98)
- mails Clients : on Linux - Evolution, Sylpheed ; on Windows - Outlook (Express et 97), Thunderbird, Eudora.

EuroOffice Solver provides a fast algorithm to solve the linear programming problem in OpenOffice Calc. A linear programming problem consists of a set of linear inequalities on a number of real variables and a given linear function (on these real variables) which is to be maximized or minimized.

Export selected ranges of cells to formated tables in Dokuwiki syntax. Download page and description, screenshot.

BorderLiner provides a simple method to draw borders in tables and some text elements in OpenOffice.org Calc and Writer.
 

Version 2.0.3 2008-10-13
Provides six functions to insert date or time or timestamp, as text / string or field / value, in Writer / Calc,
Pre-formatted to user needs ( ISO8601 format, adjustable) with German locale strings, English format notation in source: just un-comment.