mermaid-js
@mermaid-js • Open source projects from mermaid-js. Use this route to separate flagship concentration from portfolio breadth before you treat a publisher as broadly strong.
Portfolio concentration
100%
Top three share
Shows whether the organization is driven by one breakout repo or several visible projects.
Breadth
12 repos
Visible snapshot
4 repositories updated in the last 90 days.
Leading language
TypeScript
Portfolio mix
TypeScript (4), JavaScript (3), Unknown (2)
Average size
8.5K
Stars per repository
Useful for distinguishing one flagship-heavy publisher from a repeatable portfolio.
Updated: 2026-09-11(5h ago)GitHub API fallback12 repositories
100%
of the visible star count comes from this organization's top three repositories.
8.5K
stars per repository in this same snapshot.
TypeScript
is the most common language here, with 4 repositories updated in the last 90 days.
Why this rank
This organization stands out because one flagship repo drives 88% of its visible star count.
Flagship share 88%Breakout repo: mermaid
Organization pages work best when you separate portfolio breadth from flagship concentration. In mermaid-js's case, the visible top three repositories account for about 100% of total stars in this snapshot, which helps explain whether the organization is known for one breakout project or for a broader repeatable portfolio.
The dominant language mix here is TypeScript (4), JavaScript (3), Unknown (2). That makes this page useful not just for popularity checks, but also for seeing what technical shape an organization's public ecosystem actually has.
Top Repositories
| # | Repository | Language | Stars |
|---|---|---|---|
| 1 | mermaid-js/mermaid Generation of diagrams like flowcharts or sequence diagrams from text in a similar manner as markdown | TypeScript | 90.2K |
| 2 | mermaid-js/mermaid-live-editor Edit, preview and share mermaid charts/diagrams. New implementation of the live editor. | TypeScript | 6.8K |
| 3 | mermaid-js/mermaid-cli Command line tool for the Mermaid library | JavaScript | 5K |
| 4 | mermaid-js/zenuml-core Render sequence diagrams from text — the @zenuml/core engine behind ZenUML. Try it live. | TypeScript | 69 |
| 5 | mermaid-js/api-integration-ex Example of how to integrate via the API | JavaScript | 21 |
| 6 | mermaid-js/react-wrapper | 13 | |
| 7 | mermaid-js/docs | HTML | 13 |
| 8 | mermaid-js/mermaid-live-editor-old Edit, preview and share mermaid charts/diagrams. | JavaScript | 12 |
| 9 | mermaid-js/mermaid-bot Mermaid's GitHub Bot | TypeScript | 6 |
| 10 | mermaid-js/dagre-d3 A D3-based renderer for Dagre | 3 | |
| 11 | mermaid-js/mermaid-js.github.io | HTML | 2 |
| 12 | mermaid-js/java-control-plane Java implementation of an Envoy gRPC control plane | Java | 0 |
Next step after the organization read
Open a flagship repository, compare a couple of portfolio leaders, or return to the organization map when you want a broader concentration read.
Learn and methodology
Keep trust-building context reachable, but behind the first data read instead of ahead of it.
How to read this organization snapshot
Total stars are useful as a discovery signal, but they do not tell you whether a team maintains every repository equally. Pair this page with release cadence, maintainer activity, and the flagship concentration shown above before making adoption decisions.
For broader background on GitStar's ranking logic and editorial guidance, see Methodology & Editorial Standards.