Compose Special Characters lets you type two or three characters and use a keyboard shortcut to convert them into a single accented or special character. Writer and Calc are currently supported.

Este es el diccionario en Español para Argentina, con sinónimos y separación de sílabas.

El formato de la extensión es la del Diccionario Expañol-Mexico de J. Eduardo Moreno (Gracias)
Los diccionarios son los que siempre utilicé en OpenOffice (hasta 2.4) de Santiago Bosio (Gracias)
[17/11/08] Diccionario de sinónimos de OpenThesaurus-es (Gracias)

This extension allows you to access and save files to a number of different cloud storage providers via SMEStorage.com.

Cloud Providers supported are:

- Amazon S3
- RackSpace Cloud Files
- MobileMe
- Box.net
- Gmail (using Gmail as a storage cloud)
- Email (using IMAP or POP 3 based email accounts as a storage cloud)
- FTP (using FTP as a storage cloud)
- WebDav (any WebDav enabled storage cloud)
- Microsoft Live SkyDrive

Video overview available at http://bit.ly/2PjulJ

Obba provides a bridge from spreadsheets to Java classes. With Obba, you can easily build spreadsheet GUIs (Excel or OpenOffice) to Java code.

OpenCards is a flashcard learning extension for OpenOffice Impress. The basic idea of OpenCards is to use slide-titles as flashcard fronts and the slide contents as their backs. Based on state-of-the-art memorization and scheduling algorithms OpenCards will help you to learn any set of flashcards.

http://www.opencards.info

Hungarian Dictionary Pack for OpenOffice 3.0. Contains Hungarian spellchecking dictionary, hyphenation patterns & thesaurus, as prepared by Laszlo Nemeth et.al. for the Hungarian Native-Lang Project. For version information see DictHuOxt page at Openscope Wiki.

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

This package contains the Luxembourgish spell checking dictionary and thesaurus prepared by the spellchecker.lu project.

The Extension allows you to load Ichitaro Word Processor documents with OpenOffice.org. Ichitaro is a word processor from the Japanese software company Justsystems. Documents created by Ichitaro releases 8/9/10 or 11 are supported which can be typically identified by the file extensions JTD or JTT.

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