# 0xfe/vexflow

A JavaScript library for rendering music notation and guitar tablature.

Repository: https://github.com/0xfe/vexflow
Canonical: https://ross.abutalabs.com/products/vexflow
Homepage: http://www.vexflow.com
Language: TypeScript
License: NOASSERTION
License Family: other
Last push: 2025-03-05T22:49:21+00:00

## Health v2 (maintenance only)
Score: 27/100 (v2, computed 2026-09-03T02:20:16.233290+00:00)
- activity 9, release rhythm 8, longevity 100
- inputs: {"age_days": 5874, "days_push": 546, "days_rel": null, "gap_med": null, "n_releases_24m": 0}
- flags: no_license
- formula: round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)

## Adoption (not part of the score)
Stars 4365, forks 684 (observed 2026-08-28T04:08:46.661403+00:00)

## What it is
VexFlow is an open-source TypeScript library for rendering music notation and guitar tablature to HTML Canvas and SVG. It works in browsers and Node.js, offering both a high-level EasyScore API and a low-level native API for precise control over score rendering.

## Use cases
- render sheet music in a web page
- display guitar tablature in a music education app
- generate score images or PDFs from a Node.js script
- build an interactive music notation editor
- embed musical exercises in an online learning platform
- render staves, clefs, and time signatures with SVG

## When to choose
- you need to render music notation or tablature in JavaScript
- you want both browser and Node.js rendering support
- you need fine-grained control over notation layout via a low-level API
- you want a mature, widely used notation library

## When to avoid
- you need audio playback or MIDI synthesis rather than visual rendering
- you need full MusicXML import/export support out of the box
- you are building a native mobile or desktop app without a web view
- you need engraving-quality output comparable to dedicated desktop notation software

## Facets
- artifact type: library
- maturity: stable
- function: graphics, data-visualization, sdk
- domain: web-development, media, education, cross-platform
- platform: browser, cross-platform
- tags: music-notation, sheet-music, guitar-tablature, svg, canvas, typescript, music-theory, score-rendering, nodejs, web-server

## Member repositories
- 0xfe/vexflow (main) score 27

## Provenance
- Observed fields: from GitHub, fetched 2026-08-28T04:08:46.661403+00:00.
- Health v2: computed from the inputs above; adoption is never an input.
- Inferred fields (summary, facets, guidance): AI-extracted, prompt v1, taxonomy v1, on 2026-08-29T18:21:25.007367+00:00, confidence not recorded.
  - readme: https://github.com/0xfe/vexflow (fetched 2026-08-28T04:08:46.661403+00:00, sha ed51db6fe221)
  - homepage: http://www.vexflow.com (fetched 2026-08-29T09:10:04.524333+00:00, sha 11deb8594b81)
- Data as of 2026-08-30T08:39:29.467469+00:00.