# AlexeyBoiko/DgrmJS

Dgrm.net - flowchart editor. Works on desktop, phone and tablet. Has no dependency. Pure JavaScript.

Repository: https://github.com/AlexeyBoiko/DgrmJS
Canonical: https://ross.abutalabs.com/products/dgrmjs
Homepage: https://dgrm.net
Language: JavaScript
License: Apache-2.0
License Family: permissive
Topics: javascript, js, svg, svg-diagram, website, web, diagram, diagrams, diagram-editor, diagram-generator, typescript, javascript-library, javascript-vanilla, flow, flowchart
Last push: 2026-06-09T15:31:56+00:00

## Health v2 (maintenance only)
Score: 71/100 (v2, computed 2026-09-02T17:46:02.011165+00:00)
- activity 86, release rhythm 35, longevity 100
- inputs: {"age_days": 1704, "days_push": 85, "days_rel": null, "gap_med": null, "n_releases_24m": 0}
- flags: no_releases
- formula: round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)

## Adoption (not part of the score)
Stars 1123, forks 112 (observed 2026-08-28T04:03:40.434216+00:00)

## What it is
DgrmJS is a dependency-free, pure JavaScript/TypeScript library powering Dgrm.net, a browser-based flowchart editor supporting flowcharts, sequence diagrams, activity diagrams, mind maps, and database schemas. It works on desktop, phone, and tablet with no installation or registration required.

## Use cases
- draw flowcharts in the browser
- create mind maps online
- edit sequence diagrams
- design database schemas visually
- embed a diagram editor in a web app
- edit flowcharts on phone or tablet
- share flowcharts via links

## When to choose
- you need a zero-dependency JavaScript diagram editor
- you want a browser-based flowchart tool that works on mobile
- you need SVG-based diagrams without installing software
- you want a free editor with no registration

## When to avoid
- you need undo/redo and other pro features only on dgrm.net
- you need offline desktop application support
- you need UML class diagrams or advanced diagram types
- you need a React/Vue component ecosystem

## Facets
- artifact type: library
- maturity: active
- function: ui-components, graphics, developer-tools
- domain: web-development, frontend, developer-tools
- platform: browser, cross-platform
- tags: flowchart-editor, svg-diagrams, diagram-editor, no-dependencies, vanilla-javascript, mind-maps, sequence-diagrams, whiteboard, web-server, javascript, typescript

## Member repositories
- AlexeyBoiko/DgrmJS (main) score 71

## Provenance
- Observed fields: from GitHub, fetched 2026-08-28T04:03:40.434216+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 2026-08-30T06:39:52.342099+00:00, confidence not recorded.
  - readme: https://github.com/AlexeyBoiko/DgrmJS (fetched 2026-08-28T04:03:40.434216+00:00, sha b04e96f5781c)
  - homepage: https://dgrm.net (fetched 2026-08-29T12:44:12.523377+00:00, sha f0a07441d72b)
- Data as of 2026-08-30T08:39:29.467469+00:00.