UDP IPTV to RTSP proxy is a lightweight GNU/Linux daemon which, being installed on a LAN router, provides on-demand access to UDP multicast streams via RTSP and unicast RTP protocols. The server itself does not support streaming of any files, it only can receive incoming multicast streams provided by your ISP and retransmit them to interested local clients. The main purpose of the software is to provide simple IPTV service to small office or home ethernet and/or Wi-Fi LANs where upgrading the network to handle multicast correctly is not an option. It is not intended to handle large-scale installations and service clients you don't trust (like the public Internet).
pyscmpd is a music player daemon designed for use on Raspberry Pis. It implements a subset of the MPD protocol, but instead of serving local MP3 files, it connects to SoundCloud.com and serves the streams found there. It supports a huge number of front-end clients through MPD, including ncmpcpp and Sonata. It allows you to configure which parts of SoundCloud are made available for browsing by defining categories and adding groups or users to them.