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Vloam Mermaid

Live Mermaid editor — private, free, no install

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Vloam Mermaid is a free, browser-based Mermaid diagram editor. Type syntax and get an instant live preview — flowcharts, sequence, class, and more. Diagrams stay on your device (no account, no upload). Export SVG or PNG. English and Chinese. MCP tools so AI agents can validate and render Mermaid too.

PH · launched Sep 15, 2026 · 1 upvote (top 69%) · 0 views

Niche: diagramming and flowchart tools · 116 launches, 6 in the last 7 days ▼ -50% · Explore this niche →

Category and tags
  • Horizontal
  • Dev tools
  • Developer
  • Not AI
  • Hobby / open-source project
  • Design Tools
  • Productivity
  • Developer Tools

Visit website ↗ Source listing ↗

More like this: all 116 launches in diagramming and flowchart tools →

Could you build this?

Yes This is a browser-based UI integrating the open-source Mermaid.js rendering library with an editor and simple MCP/SVG export handlers.

Competitors

Other products that read as similar to this one : 67 launches clear the similarity bar, closest 8 shown.

Attention rank: #60 of 68 (itself plus its competitors, highest first, normalized so YC and Product Hunt are compared fairly).

Launched 285 days after the earliest competitor.

  • Mermaid Design · ph · 2026-10-03 · 1 upvotes · similarity 0.70
  • Visimer · hn · 2026-08-17 · 17 upvotes · similarity 0.59
  • Line9 · hn · 2026-08-06 · 87 upvotes · similarity 0.57
  • FlowPeek · ph · 2026-09-11 · 2 upvotes · similarity 0.57
  • TryMermaid · ph · 2026-10-28 · 1 upvotes · similarity 0.56
  • Free Mermaid Diagram Editor · hn · 2026-07-07 · 51 upvotes · similarity 0.55
  • Fanfa · hn · 2025-12-04 · 154 upvotes · similarity 0.49
  • nice-mermaid.nvim · github · 2026-09-20 · 34 upvotes · similarity 0.49

Related data

The niche, labels, vibe code rating and competitor comparison on this page are analysis by Nicheloom. If you use them, please credit nicheloom.com. How you may use our data.