http://xoonips.sourceforge.jp/
apparently it is an extension of xoops.
main feature:
- various itemtype(metadata set) handling
- metadata handling
- user can set schema freely
- harvestion interface is open
compared to various file sharing services xoops already has, what advantageous is it is specialized in using document type.
user's voice example: http://toshokan.weblogs.jp/blog/2006/05/xoonips_01a7.html
