The best replacement for kickstart is amp.

The best alternatives to kickstart are rated as following:
★★★★★  amp
★★★★  jumpstart
★★★★  preseed
★★★★  puppet
★★★★  cobbler
★★★★  pxe
★★★  fai
★  mountain dew
★  red bull
★  kick start
★  autoyast

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

Other search terms related to kickstart and their ratings are:
★★★★★ pxe
★★★★★ pxe boot
★★ virt-install
You have in mind a companion for kickstart and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of kickstart in all years. Click on graph for more.
kickstart
amp
jumpstart