Open Source · YouTube Music Algorithm

Discoveryour soundtogether.

Resonance hijacks the YouTube Music algorithm and pairs it with an open-source community layer. Infinite Auto-Play. Live Community Queues. Zero cost.

Mobile App Soon
100M+Tracks
Members
$0Always free
Now Playing

Blinding Lights

The Weeknd

1:473:22

Up next · Auto-Play

Save Your Tears

The Weeknd

3:35

Starboy

The Weeknd ft. Daft Punk

3:50

In Your Eyes

The Weeknd

3:57
Auto-Play ON

Built with

YouTube Music
Supabase
FastAPI
Next.js 15
Python
ytmusicapi
v1.0.0 · MIT License

CORE FEATURES

Every feature.
Zero compromises.

We didn't reinvent music apps. We removed every paywall and plugged the world's most powerful catalog.

Infinite Auto-Play

We interface directly with YouTube Music's recommendation neural network — the same engine powering their billion-user platform.

Smart QueueRadio ModeTaste MatchingMood Detection

Taste DNA

Every track builds your unique acoustic fingerprint. Share it. Discover people on your wavelength.

Smart Playlists

Create, save and sync playlists via Supabase. Like, dislike, shuffle. Every control open-sourced.

Levitating
Blinding Lights
Flowers

The Global Queue

A live community feed powered by Supabase. See what the world is listening to right now. Clone any queue instantly.

@alex_r started Levitating radio
@sarah_m cloned The Weeknd queue
@david_k liked 3 tracks

100% Open Source

Fork it. Contribute. Self-host. Star on GitHub.

4.9 / 5.0

$0

Forever. No credit card.

100M+

Tracks. No paywall.

THE PIPELINE

How we hacked
the algorithm.

We reverse-engineered the world's largest music recommendation engine and built a free, open-source UI for it.

01 — The Catalog Bypass

ytmusicapi pulls from 100M+ songs on YouTube Music. Free. No licensing. No DRM.

02 — Algorithmic Hijacking

Auto-Play fires YouTube's own neural network endpoints. Their AI, inside your player.

03 — Supabase Community

Your listening history, playlists and likes sync in real-time to power the global feed.

04 — Open Platform

100% open-source. Star on GitHub, fork it, self-host it. The music is yours.

The Evolution
of Music.

From the public release of the MP3 to the dawn of open-source algorithms, explore the pivotal eras that paved the way for Resonance.

1995
1995

MP3 format goes public

Audio file compression enables seamless distribution of music over the internet for the first time.

1999
1999

Napster launches

The first peer-to-peer file sharing network for MP3 files launches. Attracted over 80 million users, fundamentally reshaping how people accessed music.

2000
2000

LimeWire launches

Peer-to-peer file-sharing platform becomes a major tool for the illegal download and distribution of pirated music.

2001
2001

iPod & iTunes

Apple releases the first iPod. "1,000 songs in your pocket". iTunes launches to organize digital music.

2001
2001

Napster shutdown

Forced to shut down after losing landmark copyright infringement lawsuit brought by the RIAA – the first major shutdown over music piracy.

2003
2003

iTunes Store launches

One of the first successful legal digital music marketplaces, achieving one million downloads in just three days.

2005
2005

Pandora & YouTube

Pandora launches as a subscription-based internet radio. YouTube allows easy video uploads and sharing.

2007
2007

Streams count for Billboard

Music streams begin to count towards the Billboard Hot 100 for the first time. The legitimacy of streaming is recognized.

2008
2008

Spotify & App Store

Spotify launches in select European countries with a freemium model. iPhone App Store brings portable streaming.

2010
2010

LimeWire shuttered

A critical turning point as the music industry moves away from the piracy era towards legal on-demand streaming services.

2011
2011

Spotify launches in US

Brings legal, on-demand music streaming to the world’s largest music market, accelerating global shifts to subscription models.

2015
2015

Apple & YouTube Music

Apple Music and YouTube Music launch. Spotify introduces 'Discover Weekly' algorithm, reshaping music discovery.

2016
2016

Streaming hits $3.9B

Streaming becomes the dominant form of music consumption and the biggest revenue source for the recorded music industry in the US.

2021
2021

Industry Reaches $25.9B

Global recorded music industry revenue surpasses the previous peak achieved during the CD era.

2025
2025

Global Revenue tops $30B

A revenue breakthrough underlining streaming’s crucial role in global music industry growth with streaming accounting for 67%.

2026
2026

Resonance

The next evolution. An open-source, limitless community music platform.

Open Source Platform

Zero dollars.
Zero ads.

Streaming platforms charge $15/month for basic features. We bypassed their catalogs and built a better UI. Free. Community-owned.

Everything Included

Infinite Auto-Play Engine
Global Community Queues
Taste DNA Visualization
100M+ Track Library
Zero Advertisements