ownCloud also has a Documents app: https://owncloud.org/blog/owncloud-7-sneak-peek-online-collaboration-with-documents/ https://owncloud.org/blog/owncloud-7-sne

ownCloud also has a Documents app: https://owncloud.org/blog/owncloud-7-sneak-peek-online-collaboration-with-documents/ https://owncloud.org/blog/owncloud-7-sneak-peek-online-colla... It works with odt files and you can edit collaboratively, even with people not on ownCloud. Spreadsheets and presentations are not there yet because that’s really difficult. :)