The best replacement for calypso is murex.

The best alternatives to calypso are rated as following:
★★★★★  murex
★★★★  callisto
★★★★  soca
★★★★  radian
★★  circe
★★  super aqua club
★★  mont cascades
★★  reggae
★★  pc dmis
★★  mambo
★  daphne
★  calippo
★  summit
★  p20
★  sweet tooth
★  parkzone radian
★  rocktropia
★  cmm manager
★  kalypso
  planet arkadia
  odysseus
  penelope
  to circe
  second life
  cabrio

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

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



Google Trends

Scale is based on the average worldwide traffic of calypso in all years. Click on graph for more.
calypso
murex
callisto