Kick Drum (link) is a free collection of 120 high quality key-labeled electronic kick drum samples crafted by 8-bit Logic. Apart from the 120 drum samples in WAV format, the download also includes SFZ and NKI patches for each kick sample.
Each included sample is key-labeled, meaning that it's easy to drop it into a sampler instrument of your choice and instantly match it to your project’s key. The provided SFZ patches are compatible with freely downloadable samplers such as Sforzando, Poise, Zampler, TX16Wx, etc.
NI Kontakt users can take full advantage of the provided NKI patches which feature a fully customized user interface. The interface enables direct control over various sound parameters such as envelope attack and decay, pitch envelope amount and speed, HP/LP filter cutoff and resonance, and a variety of built-in SFX.
Link: Kick Drum