Layer sounds at any volume
A storm over a coffee shop
Murmur
Play ambient sounds while you work, read, or fall asleep. Layer rain over a fireplace, and save the blend.
What it does
Designed to be ignored. It remembers your blends and stays out of the way.
Save blends as presets
Every slider back where you left it
Bring your own audio
An audio file, or a YouTube link
Closes to the tray, keeps playing
Your media keys still work, and it can launch at startup
Follows your system theme
No flashbang at 2am
Free, GPLv3, no telemetry
No account, no ads
Get Murmur
Runs on Windows 10 (build 19041 or later) and Windows 11, on x64 and ARM64.
Latest releaseThe first install asks you to trust a certificate. Updates after that are a double-click.
- Download the certificate
Grab
Murmur.cerfrom the release you're installing. - Trust it once
Install it to Local Machine → Trusted People. Windows asks for admin approval.
- Run the bundle
Double-click the
.msixbundle.
Self-signing keeps Murmur free and independent; a Microsoft Store release may remove this step later.