Yodeck - Yodeck enables you to design and schedule your digital signage on Raspberry Pi easily from the web, using your computer, tablet or smartphone.
info-beamer - A complete digital signage solution for the Raspberry Pi. Standalone software or SaaS is available.
Xibo - Digital Signage for Everyone!
VION - Create eye catching multi screen video experiences. An easy toolkit for video walls and digital signage. Synchronized video on multiple computers.
Visionbox Digital Signage - Visionbox is not just a software, it is a complete Digital Signage system sold in full service.
NoviSign Digital Signage - SaaS based content management system for digital signage.