To use them, you need to download the software, install them on your own servers (new or re-purposed), and then manage them.
Elo Interactive Digital Signage (IDS):
29 Options For Free Digital Signage Software – Sixteen:Nine
Installation and use of the Keystroke Digital Sign Controller program requires purchase of the Keystroke Digital Sign Controller license program using the Key
Digital Signal Generator 18.104.22.168 :: 2010-02-25