The best replacement for rman is hot backup.

The best alternatives to rman are rated as following:
★★★★★  hot backup
★★★  data pump
★★★  brtools
★★★  expdp
★★★  data guard
★★★  cold backup
★★★  sql backtrack
★★  bcv
★  exp imp
★  brbackup
★  export oracle

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

Other search terms related to rman and their ratings are:
★★★★★ asm
★★★★★ netbackup
★★★★ tsm
★★★ recovery catalog
★★★ data guard
★★★ data domain
★ networker
★ archivelog
★ catalog database
veritas netbackup
brtools
You have in mind a companion for rman and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of rman in all years. Click on graph for more.
rman
hot backup
data pump