The best replacement for hls is yls.

The best alternatives to hls are rated as following:
★★★★★  yls
★★★★★  rtmp
★★★★  hds
★★★★  hbs
★★★★  dash
★★★  smooth streaming
★★★  sls
★★★  rtsp
★★  progressive download
★★  multicast
★  hlr
  mpeg dash

Your alternative for hls is not listed? Suggest!
Speaking about hls, one probably shouldn't forget about playready.

Other search terms related to hls and their ratings are:
★★★★★ playready
You have in mind a companion for hls and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of hls in all years. Click on graph for more.
hls
yls
rtmp