Zero-G - Professional Sample Libraries and Kontakt Virtual Instruments
Free Sounds 2022 Volume IV: Dark Drones - Free SFX Library Every Month from Krotos - YouTube
The drone of dread: that movie sound you hear every time something bad is about to happen.
24 Great New Sound Effects Libraries: Sniper Rifles, Creative Whooshes, Ski Equipment, Finnish Cow Horns, Sci-fi Voice Overs, And Much More! | A Sound Effect