https://iptv.community/

If you're in CH and your ISP is Swisscom, Sunrise or Green you get over 300 IPTV channels free of charge. Read below. The second is in French but you find the M3u link.

https://www.tuxone.ch/2014/04/iptv-auf-dem-pc-schauen.html?m=1

https://www.regardtv.net/t6105-flux-iptv-swisscom