The best replacement for synchro is resolver.

The best alternatives to synchro are rated as following:
★★★★★  resolver
★★★★  xyz
★★★★  navisworks
★★★  vissim
★★  vico
★★  exceed
★  hcs
★  sidra
  monster reborn
  corsim

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

Other search terms related to synchro and their ratings are:
★★★★★ xyz
★★★ lightpulsar
★ call of the haunted
You have in mind a companion for synchro and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of synchro in all years. Click on graph for more.
synchro
resolver
xyz