Yep; still around.
See this post that includes Neil's explanation for what happened.
Re: Encore 5.1 crashing after upgrade to Mavericks
The link to the Adobe Encore FAQ that explained (poorly) it being end of life now rolls to the Encore help page.
This is the link for info re using Encore CS6 with CC, updated for CC 2014 and the cloud desktop install.
http://helpx.adobe.com/encore/kb/encore-cs6-installed-cc.html