Rasa Audio Player Would not be possible without the following free opensource Software. The license agreements for the following projects are all available in their respective Sites.
Raspberry Pi by Eben Upton, Rob Mullins, Jack Lang, Alan Mycroft, David Braben, and Pete Lomas
https://www.raspberrypi.org/
Raspbian by Mike Thompson (mpthompson), Peter Green (plugwash) and the entire Raspberry Pi community
https://www.raspbian.org/RaspbianAbout
Debian Linux created by Ian Murdock in 1993
http://www.debian.org
BlueZ Bluetooth protocol stack by Johan Hedberg
http://www.bluez.org
BlueZ ALSA backend by Arkadiusz Bokowy
https://github.com/Arkq/bluez-alsa
Bootstrap by @mdo and @fat
http://twitter.github.io/bootstrap
Font Awesome by Dave Gandy
http://fontawesome.io
Hostapd by Jouni Malinen
http://http://w1.fi/hostapd/
jQuery
https://jquery.com/
PHP by the PHP Team
http://php.net
Lighttpd – fly light
https://www.lighttpd.net/
WiringPi GPIO access library by Gordon Henderson
http://wiringpi.com
GStreamer (Opensource Multimedia Framework)
https://gstreamer.freedesktop.org/
GST-Player (Console Audio Playback Application)
https://github.com/sdroege/gst-player
Shairport-Sync ( AirPlay audio player )
https://github.com/mikebrady/shairport-sync
UPNP Server.
https://github.com/hzeller/gmrender-resurrect
UPNP Client Player
libcurl – https://curl.haxx.se/libcurl/
libxml2 – http://www.xmlsoft.org/
The UI on the device is built using SDL.
The WEB UI that is used from the Mobile App and for Webbrowser has been built using HTML5 JS CSS and web services are hosted in lighthttpd.
Android App was developed using Android Studio using Java.
Material Design Lite
https://zavoloklom.github.io/material-design-iconic-font/icons.html
https://getmdl.io/