Korg tell us the new analog volca Kick synth delivers powerful percussive and chromatic kick, bass, and sub bass sounds. Plus it uses the filter from the MS-20 and has new performance features.
PunchBOX from D16 is designed to help you craft your ideal kick drum sounds using analog modelling synthesis and plenty of processing. Here's more info and audio demos.
So you want to design the a kick that sits perfectly in the mix... but you'd rather not spend days doing this? Kickforge, from the creators of Drumforge, is a Kontakt 5 instrument that can help.
A thin, weak kick drum can single-handedly undermine the impact of a decent mix. GW Childs ditches his diet in a bid to fatten up his kick drum using Ableton's compressor and reverb plugins.