The best replacement for snat is nat.

The best alternatives to snat are rated as following:
★★★★★  nat
★★★  dnat
★★  nat f5
★★  masquerade iptables
★  masquerade

Your alternative for snat is not listed? Suggest!
Speaking about snat, one probably shouldn't forget about f5.

Other search terms related to snat and their ratings are:
★★★★★ f5
You have in mind a companion for snat and it is not yet here? Propose!



Google Trends

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snat
nat
dnat