50 free kick samples for House, Trap and Electronic music
Sound Constraints Is releasing 54 free weekly sample packs this year - These have Serum Presets, Samples, Loops -
A download link can be found in their quick youtube video - https://youtu.be/pKP1SXJX5wU
Nearly all analog and digital hardware drum machines:
http://www.hexawe.net/mess/200.Drum.Machines/drums.zip