The best replacement for mirroring is replication.

The best alternatives to mirroring are rated as following:
★★★★★  replication
★★★★★  log shipping
★★★★  clustering
★★★★  striping
★★★  raid
★  parity
★  duplexing
★  alwayson
★  raid 5
★  airplay
★  clustering sql 2008
★  availability groups
  stripe mirroring
  transactional replication
  cloning
  always on
  replication sql server
  extended desktop
  software mirroring
  disk duplexing
  replication sql
  transaction log shipping
  matching

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

Other search terms related to mirroring and their ratings are:
★★★★★ airplay
★★★★ samsung smart tv
★★ replication
★★ macbook and apple tv
★ chromecast ipad
apple tv for macbook
sound
You have in mind a companion for mirroring and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of mirroring in all years. Click on graph for more.
mirroring
replication
log shipping