Media server

The page is most likely designed for Raspberry Pi although the software can be installed on regular linux box too.

MiniDLNA/Upnp

• http://www.instructables.com/id/Raspberry-Pi-Media-Server-MiniDLNA/
• http://bbrks.me/rpi-minidlna-media-server/

Plex

• http://www.htpcguides.com/raspberry-pi-2-home-media-server-installer-image/

Photo Album

using Lychee, a free photo-management tool, which runs on your server or web-space.

• http://www.pihomeserver.fr/en/2014/01/23/raspberry-pi-home-server-heberger-toutes-vos-photos/