Web MS Office Integration

Reference

http://stackoverflow.com/questions/3884139/open-remote-document-and-save-back-to-remote-server

http://stackoverflow.com/questions/1092118/webdav-php-open-ms-word-document-from-html-anchor

http://www.webdavsystem.com/ajaxfilebrowser/programming/open_save_docs_directly_to_server

http://www.webdavsystem.com/server/documentation/ms_office_read_only

http://www.codeodor.com/index.cfm/2013/3/13/Editing-Docs-in-MS-Word-and-Saving-Them-Back-To-Your-Rails-Site-Using-WebDAV/3650

(IE or FFWinPlugin)

WebDAV

Seems most promising for non-MS servers / environment

http://www.webdavsystem.com/server/documentation/ms_office_read_only

Sharepoint Protocol

CMIS (Alfresco)