There is an organisation that does really well and now is in the process of revamping their IT... New forum engine (move to Discourse), wiki (quite likely MediaWiki) and CMS (quite likely WordPress).
What would be the way for single login to work across all the systems? (Wordpress + wiki + Discourse)
My guesses: * http://openid.net/ * https://www.mozilla.org/en-US/persona/
Any feedback / suggestions / recommendations welcome :) Thank you