OPEN · VERSION 2.0 ALPHA 4

Build your show.
Then go live.

A free, local-first radio workspace that takes you from a quiet music folder to a complete live show—without uploading a single track.

Launch Open →Explore the workflow ↓

NO ACCOUNTNO SUBSCRIPTIONYOUR AUDIO STAYS LOCAL

CTR STUDIO / LIVE DESKLOCAL SESSION

DECK APLAYING

Night Signal

Ground Xero

DECK BREADY

After Hours

Local music

NOW PLAYINGNight SignalDECK A · 02:14

LIBRARY ✦ RUNDOWN ✦ LIVE DESK ✦ AUTO DJ ✦ OFFLINE READY ✦ FREE PUBLIC EDITION ✦

PRIVATE TESTING / CTR STUDIO PRO

The signal
is evolving.

CTR Studio Pro brings the live desk, station automation, OBS graphics, MIDI control and audio-reactive visuals into one serious broadcast command centre.

Enter the Pro preview ↗ VERSION 3.0 · INVITE-ONLY TESTING

01 / ONE CLEAN WORKFLOW

From music folder
to live show.

Open replaces scattered tools with three focused spaces that follow the way a real show comes together.

Build your library

Import audio once. Search, sort and keep it ready on your device.

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Plan the rundown

Put every track in show order and see the complete runtime.

Take the live desk

Load both decks, open the microphone and control the transition.

02 / BUILT FOR THE SHOW

More studio.
Less setup.

Persistent library

Your imported tracks and metadata stay available between sessions.

Assisted Show Builder

Arrange music automatically with IDs, promos and sweepers at the spacing you choose.

Two-deck mixer

Waveform previews, guarded transitions, Program output and one smooth crossfader.

Auto DJ

Keep the signal moving when you need to step away from the desk.

Local recording

Bring in your microphone and capture the complete master output on your device.

Install and go offline

Add Open to your device and reopen the studio without a connection.

YOUR DEVICELOCAL SESSION

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03 / LOCAL-FIRST BY DESIGN

Your music
doesn’t leave
the room.

CTR Studio Open stores your library, rundown and settings in your browser on your device. Your audio isn’t uploaded to us because it doesn’t need to be.

No cloud library required
No account to create
Works offline after installation

04 / OPEN BY DESIGN

Public code.
Community built.

CTR Studio Open is open source under the Mozilla Public License 2.0. Read it, learn from it, report issues, or help make independent broadcasting better.

View the source ↗Contribution guide →

ctr-studio-publicPUBLIC

▾ src

▾ frontend

◇ studio.html OPEN LIVE DESK

JS ctr-studio-v2.js

# ctr-studio-v2.css

▸ backend

§ LICENSE MPL-2.0

→ CONTRIBUTING.md

LICENCEMPL 2.0

STATUS OPEN

Use and improve it

Run the code, study it, build on it, and distribute compliant modifications.

Share covered changes

Distributed changes to MPL-covered files remain available to the community.

Respect the identity

The CTR Studio name and logos remain protected so users know what is official.

CTR STUDIO OPEN · VERSION 2.0

Your next show
starts here.

Launch the studio →

Free and open source · Best experienced in Chrome, Edge or Brave