vellum-editor
A diagram editor for architecture, process and software diagrams. Runs in the browser or as a desktop app and saves diagrams as readable YAML.
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GITHUB · launched Sep 21, 2026 · 8 upvotes (top 88%) · 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
- Commercial product
Visit website ↗ Source listing ↗
More like this: all 116 launches in diagramming and flowchart tools →
Could you build this?
Yes Building a canvas-based diagramming tool in React/Electron that parses and exports diagrams to structured YAML is a well-scoped task achievable with modern canvas libraries and AI assistance.
Competitors
Other products that read as similar to this one : 567 launches clear the similarity bar, closest 8 shown.
Attention rank: #522 of 568 (itself plus its competitors, highest first, normalized so YC and Product Hunt are compared fairly).
Launched 325 days after the earliest competitor.
- Vellum, the best diagram editor you'll ever use · hn · 2026-09-21 · 25 upvotes · similarity 0.67
- AsciiSketch a free browser-based ASCII art and diagram editor · hn · 2026-01-13 · 53 upvotes · similarity 0.52
- Texifine · ph · 2026-10-17 · 1 upvotes · similarity 0.50
- mnft · github · 2026-10-12 · 19 upvotes · similarity 0.50
- Scribe · github · 2026-10-29 · 71 upvotes · similarity 0.48
- mermaid-element · github · 2026-09-10 · 8 upvotes · similarity 0.47
- lulu-drawer · github · 2026-09-12 · 7 upvotes · similarity 0.46
- Graffle · github · 2026-10-17 · 15 upvotes · similarity 0.46
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.