Windows

Mac OS X

Ubuntu | Debian

Repository instructions:

wget -q http://download.opensuse.org/repositories/multimedia:/apps:/nulloy/xUbuntu_15.04/Release.key -O- | sudo apt-key add -
sudo add-apt-repository 'deb http://download.opensuse.org/repositories/multimedia:/apps:/nulloy/xUbuntu_15.04/ /'
sudo apt-get update
sudo apt-get install nulloy nulloy-gstreamer nulloy-taglib 

# Install extra GStreamer plugins for more audio formats:
sudo apt-get install gstreamer1.0-plugins-{good,bad,ugly}
wget -q http://download.opensuse.org/repositories/multimedia:/apps:/nulloy/xUbuntu_14.10/Release.key -O- | sudo apt-key add -
sudo add-apt-repository 'deb http://download.opensuse.org/repositories/multimedia:/apps:/nulloy/xUbuntu_14.10/ /'
sudo apt-get update
sudo apt-get install nulloy nulloy-gstreamer nulloy-taglib 

# Install extra GStreamer plugins for more audio formats:
sudo apt-get install gstreamer1.0-plugins-{good,bad,ugly}
wget -q http://download.opensuse.org/repositories/multimedia:/apps:/nulloy/xUbuntu_14.04/Release.key -O- | sudo apt-key add -
sudo add-apt-repository 'deb http://download.opensuse.org/repositories/multimedia:/apps:/nulloy/xUbuntu_14.04/ /'
sudo apt-get update
sudo apt-get install nulloy nulloy-gstreamer nulloy-taglib 

# Install extra GStreamer plugins for more audio formats:
sudo apt-get install gstreamer1.0-plugins-{good,bad,ugly}
wget -q http://download.opensuse.org/repositories/multimedia:/apps:/nulloy/Debian_8.0/Release.key -O- | sudo apt-key add -
sudo add-apt-repository 'deb http://download.opensuse.org/repositories/multimedia:/apps:/nulloy/Debian_8.0/ /'
sudo apt-get update
sudo apt-get install nulloy nulloy-gstreamer nulloy-taglib 

# Install extra GStreamer plugins for more audio formats:
sudo apt-get install gstreamer1.0-plugins-{good,bad,ugly}

Fedora

Repository instructions:

su -
cd /etc/yum.repos.d/
wget http://download.opensuse.org/repositories/multimedia:/apps:/nulloy/Fedora_22/multimedia:apps:nulloy.repo
yum install nulloy nulloy-gstreamer nulloy-taglib

# Install extra GStreamer plugins for more audio formats:
yum install gstreamer1{-ffmpeg,-plugins-{good,bad,ugly}}
su -
cd /etc/yum.repos.d/
wget http://download.opensuse.org/repositories/multimedia:/apps:/nulloy/Fedora_21/multimedia:apps:nulloy.repo
yum install nulloy nulloy-gstreamer nulloy-taglib

# Install extra GStreamer plugins for more audio formats:
yum install gstreamer1{-ffmpeg,-plugins-{good,bad,ugly}}

Sources