Instead of hunting dead GitHub links, pay $15-$30/year for a private IPTV service (find these via Reddit or Trustpilot, never Google). These provide 10,000+ working channels with Electronic Program Guides (EPG), no buffering, and customer support.
: Covers the fundamental shift from traditional broadcasting to IP-based delivery. iptv playlist github 8000 worldwide link
Developers frequently refresh the links to ensure a "dynamic streaming experience". Instead of hunting dead GitHub links, pay $15-$30/year