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Software is shipping faster than ever, and a growing share of it lives outside the official app stores. PulseGate tracks it live — free, for builders, analysts, and everyone keeping up.

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JJazzLab

Flathub·Design & Creative

JJazzLab is a desktop application that enables musicians to generate dynamic, professional-quality backing tracks for any song. Users can input chords, select musical styles, and customize arrangements for practice or composition. The app supports plugins and a wide range of genres, making it suitable for musicians and music students seeking flexible accompaniment tools.

Free
Linux
JJJazzLab logo
Visit Flathub↗

Overview

6 features

JJazzLab is a Design & Creative product. It focuses on creating professional-quality, dynamic backing tracks for music practice and composition without manual arrangement. JJazzLab is a consumer product aimed at musicians and music students. JJazzLab is free to use. It runs on Linux.

Behind JJazzLab is Jerome Lelasseux. Among its 6 catalogued features are dynamic backing tracks, style selection, and chord input.

  • ✓Dynamic backing tracks
  • ✓Style selection
  • ✓Chord input
  • ✓Plugin support
  • ✓MIDI export
  • ✓Genre variety

Tags

backing-tracksmidi-generationmusic-practice

Built with & integrations

Runs on
Linux

Trust & compliance

LicenseProprietary
Verified signals
✓ HTTPS✓ Free tier

Recent events

Latest indexed changes and source events

  1. IndexedJul 18, 8:25 PM

    JJazzLab verified by the PulseGate indexer

    Source: PulseGate indexerOpen ↗

Frequently asked questions about JJazzLab

What is JJazzLab?
JJazzLab focuses on creating professional-quality, dynamic backing tracks for music practice and composition without manual arrangement. It is catalogued under Design & Creative on PulseGate.
Who should use JJazzLab?
JJazzLab is a consumer product built for musicians and music students.
Does JJazzLab have a free plan?
Yes — JJazzLab is free to use.
What platforms does JJazzLab run on?
JJazzLab runs on Linux.
Is JJazzLab still active?
PulseGate's liveness checks currently classify JJazzLab as active.
What tools are similar to JJazzLab?
Similar tools tracked by PulseGate include Teecontrol Course Data, Accesly Widget, and Three Importer.Teecontrol Course DataAccesly WidgetThree Importer
Who develops JJazzLab?
JJazzLab is developed by Jerome Lelasseux.

At a glance

Platforms
Desktop
Languages
English
First seen
Jul 18, 2026
Activity
🟢 Active
Status
🟢 Active
Built for
musicians and music students
Model
B2C
Solves
Creating professional-quality, dynamic backing tracks for music practice and composition without manual arrangement.

Developer

Jerome Lelasseux

Live coverage

Confidence
Medium · 70
Indexed
Jul 18, 2026
Lifecycle
Alive
Activity
Active
First seen
Jul 2026
Last seen
3d ago
Identity audit (9)
Entity ID
cmrqthb2i00zb14hypmgtyc9n
Slug
jjazzlab-flathub-org
Verification state
Indexed for public listing
Claim / listing state
Unclaimed · listed: yes
Index status
Included in index
Latest evidence snapshot
Jul 18, 2026
Timeline basis
Indexed-at chronology (no inferred launch/funding milestones).
Last updated
Jul 19, 2026
Canonical URL
https://flathub.org/apps/org.jjazzlab.JJazzLab

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