itch.io

Also adding mine here:

Gnarly metal scrapes, impacts, and friction rich in ultrasonic content that's great for sound design

https://itch.io/embed/2561808

Ultra hi-rez EMF interference recordings that make excellent source material for SciFi sound design

https://itch.io/embed/2099196

Quirky, organic percussion one-shots

https://itch.io/embed/1846700

22 multi-sampled patches created on the analogue Teenage Engineering POM-400 synth

https://itch.io/embed/1844442

Free complete TR-707 drum kit

https://itch.io/embed/1845232