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Agents tracked: 444 Releases (7d): 644 Agent status: 3 with issuesSince last limit reset: Claude 31d · Codex 3d Updated Oct 23, 2026

Is UI SFX free for commercial use?

Yes. UI SFX is free, and its license allows commercial use.

“MIT code, CC0 audio, and CC0 sound-pack art” github.com/romainsimon/uisfx

Read on the official page github.com/romainsimon/uisfx on Oct 13, 2026. Not legal advice: terms change, check the page before you ship.

Price
Free
Fully free and open source; MIT code and CC0 audio
Commercial use
Yes
MIT (code), CC0 (audio)
Credit the author
Not needed
No credit needed

Do you need to credit UI SFX?

No credit needed. You can use it without naming the source.

“The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.” github.com/romainsimon/uisfx/blob/HEAD/LICENSE

Can you ship UI SFX content inside an app or game?

Can ship inside your app.

“The package includes `sounds/{pack}/{cue}.mp3` and `sounds/{pack}/{cue}.ogg` for React Native, Swift, Kotlin, Unity, Godot, video, and any environment without Web Audio.” github.com/romainsimon/uisfx

Rules to follow

  • Keep the MIT license notice with the code you distribute; the CC0 audio needs no credit.
  • Never autoplay on page load; call unlock() from a real pointer or keyboard handler.
  • Keep visible feedback alongside sound and give users a persistent mute setting.
  • Stop loop cues (loading, processing, recording) when their state ends.

Rules for your agent

- UI SFX (Sound effects). Open-source library of 936 interface sound effects in 12 packs, with a Web Audio player and MP3/Ogg files, installed via npm. Price: free; commercial use OK; no credit needed.
  Connect: npm uisfx.
  Get files: npm install uisfx; the package ships sounds/{pack}/{cue}.mp3 and .ogg files, and a Web Audio player that synthesizes the sounds locally (mp3, ogg).
  Not allowed: Code is MIT: keep the license notice when you distribute it.
  Not allowed: Audio is CC0; the CC0 dedication does not cover files under .generated.
  Not allowed: Start audio only after a user interaction (call unlock() from a pointer or keyboard handler).
  Rule: Keep the MIT license notice with the code you distribute; the CC0 audio needs no credit.
  Rule: Never autoplay on page load; call unlock() from a real pointer or keyboard handler.
  Rule: Keep visible feedback alongside sound and give users a persistent mute setting.
  Rule: Stop loop cues (loading, processing, recording) when their state ends.
  License: https://github.com/romainsimon/uisfx (checked 2026-10-13; details: https://agentgid.com/assets/uisfx/)

UI SFX: full license, pricing and API details →

Free for commercial use: other sound effects

All 24 sources

Pick for your agentSourcePriceLicense Monetized YouTubeAgent access
Freesound
Collaborative database of CC0, CC BY and CC BY-NC sounds with a REST API.
Free Commercial: conditions Credit varies With conditions API
Pixabay
Free photos, illustrations, vectors, videos, music and sound effects; the API covers images and videos only.
Free Commercial OK Credit (API) No AI training No bots With conditions API
Cuelume
Fourteen interaction sound cues for web interfaces, synthesized live with Web Audio and bound to elements through data attributes.
Free Commercial OK No credit — npm
cuelume
99Sounds
Free downloadable sound effect libraries, sample packs and VST plugins, royalty-free for personal and commercial projects.
Free Commercial OK No credit Yes Download
Adobe Audition Sound Effects
Free downloadable ZIP packs of royalty-free, uncompressed sound effects grouped by type, such as ambience, foley and impacts.
Free Commercial: conditions Unclear Download
BOOM Library
Professional sound effects libraries, nature ambiences and sound design plug-ins, sold as buyout or subscription.
Free tier Commercial OK No credit No AI training Yes Download