The best replacement for sway bars is strut bars.

The best alternatives to sway bars are rated as following:
★★★★★  strut bars
★★★  springs
★★★  coilovers
★★  weight distributing hitch
★  solid
★  lowering springs

Your alternative for sway bars is not listed? Suggest!
Speaking about sway bars, one probably shouldn't forget about hitch.

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



Google Trends

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sway bars
strut bars
springs