Adding a free UI/menu set: PulseLite UI SFX Free Sample. 20 matching sounds for hover, click, confirm, cancel, error, menu open/close, pickup, reward and level-up, in WAV + OGG. CC BY 4.0, so commercial use is fine with credit.

Listen in your browser first: https://bigshadex.github.io/pulselite-previewer/

Download: https://bigshadex.itch.io/pulselite-ui-sfx-free

Disclosure: I made it. The sounds are procedural DSP synthesis, not AI-generated audio; the optional helper scripts and page text were AI-assisted. The page also links a larger paid kit, but the free pack stands on its own.

Analog Horror VHS SFX — Free Sampler (9 sounds)

Static, tape glitch, CRT hum, radio tuning. Free for your own projects (no resale / redistribution).

https://assetsmithpixels.itch.io/analog-horror-vhs-sfx-free-sampler

Synthesized in code (Python). No AI audio models, no recorded samples. AI helped write the generator code.

— Assetsmith

Adding one: Wood Between Studio Free Sampler, 19 sounds (UI, retro, fantasy, horror, transitions, two 30-second music edits). WAV + OGG, commercial use OK, no attribution required. Synthesized in our own code, no samples, no generative-AI audio. https://woodbetweenstudio.itch.io/free-sampler