pdf_presenter_console "is a GTK based presentation viewer application which uses Keynote like multi-monitor output to provide meta information to the speaker during the presentation." http://westhoffswelt.de/projects/pdf_presenter_console.html
I will create an ebuild and submit it to the sunrise overlay.
This is now in the sunrise overlay. You can find it at:
Current release unmaintained, build problems with current poppler. Removal from sunrise pending.
Use app-misc/pdfpc (bug #430862)