wordpress.org/extend/plugins/collabpress/screenshots/
P2 (Twitter) Microblogging Theme from Automattic: p2theme.com
Demo: p2demo.wordpress.com/
So cool!: Google Docs to WordPress consolidated workflow
www.mediabistro.com/10000words/how-to-run-a-news-site-and-newspaper-using-wordpress-and-google-docs_b4781
dev.bangordailynews.com/2011/06/16/marrying-google-docs-and-wordpress-or-really-any-cms/
wordpress.org/extend/plugins/edit-flow/
looks complicated: wordpress.org/extend/plugins/projectmanager/screenshots/
templatic.com/news/gtd-%E2%80%93-private-blog-theme-for-teams-to-collaborate
wordpress.org/support/topic/basecamp-clone
www.ilovecolors.com.ar/basecamp-alternatives/
Buddypress Docs: http://wordpress.org/extend/plugins/buddypress-docs/