The best replacement for commvault is symantec.

The best alternatives to commvault are rated as following:
★★★★★  symantec
★★★★  tsm
★★★★  backup exec
★★★★  netbackup
★★★★  avamar
★★★  veeam
★★  unitrends
★★  networker
★★  backup exec 2012
★★  appassure
★  veritas
★  netvault
★  symantec netbackup
★  data domain
★  actifio
★  symantec backup exec
★  tivoli
★  evault
★  data protector
  enterprise vault
  asigra
  legato
  arcserve
  acronis

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

Other search terms related to commvault and their ratings are:
★★★★★ netapp
★★★ vadp
★ data domain
You have in mind a companion for commvault and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of commvault in all years. Click on graph for more.
commvault
symantec
tsm