The best replacement for bonjour is salut.

The best alternatives to bonjour are rated as following:
★★★★★  salut
★★★★★  appletalk
★★★★  bonsoir
★★★★  bodum
★★★★  bon jour
★★★★  upnp
★★★  bonne journee
★★  canon ij network
★★  zeroconf
★★  mdns
★  bon journee
★  imessage
★  bonjour
★  bodum french press
★  sasa
★  tivo beacon
★  jabber
  bon matin
  avahi

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

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



Google Trends

Scale is based on the average worldwide traffic of bonjour in all years. Click on graph for more.
bonjour
salut
appletalk