Automatic tagging of document libraries in Sharepoint online/Office 365: tags with document language, important words and even learns from your users how to tag documents.
Power-Search for MediaWiki
Faster, more precise and more interactive than the MediaWiki-Standard Search Engine!
Semantic Search Webparts
The "TreeRefiner Webpart" for Sharepoint 2013, 2016 and O365 extends the Sharepoint search center and allows for better navigation in term trees.
