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Scouted · August 16, 2026

★ Pick of the dayGitHub TrendingDeveloper Tool· 1,607 stars today
cathrynlavery/diagram-design

creating editorial-quality diagrams quickly

A niche but high-demand tool for creating editorial diagrams, with low friction and decent market traction.

Why now?

The demand for quick, editorial-quality diagram creation is rising as content creators and developers seek alternatives to complex tools like Mermaid, evidenced by the project's high GitHub stars (18,864) and recent star velocity (1,607 stars today).

The gap

Existing tools either overcomplicate diagramming (Mermaid) or lack editorial polish. This project fills the gap with 29 specific, self-contained diagram types that prioritize clarity and simplicity (no shadows, no 'Mermaid-slop').

Main competitor

Mermaid.js (complex syntax) or Excalidraw (more freeform, less editorial).

Execution plan

  1. Add a live preview editor for real-time diagram customization
  2. Implement export to PNG/SVG with one-click functionality
  3. Create a VS Code extension for inline diagram insertion
  4. Add collaborative editing support for team workflows
  5. Develop a Figma plugin for design handoff compatibility

Monetization

Freemium model: free open-source core with paid hosted version offering team features, version history, and premium diagram templates. Could also monetize through GitHub Sponsors for early support.