jsom

The premium Open Source alternative to Figma

🎯 Best for:Teams using AI agents to generate frontend code from designs.
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What is jsom?

A visual design tool that bridges the gap between UI prototyping and AI code generation by exporting semantic layers. It integrates with MCP servers and PHI algorithms to ensure AI-generated code follows strict design systems.

Tech Stack
TypeScriptLow-Code & Builder

Why jsom?

  • Semantic layer exports
  • MCP server compatibility
  • Built-in design systems

Limitations

  • Proprietary spec format
  • Requires LLM access
  • Steep learning curve
1/28/2026
Last Update
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Forks
0
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License
Financial Leak Detected

Stop the "SaaS Tax"

Your team could be burning cash. Switching to jsom instantly boosts your runway.

Competitor Cost
-$1,440
/ year (est. based on Figma)
Self-Hosted
$0
/ year
Team Size10 Users
150+
SAVE 100%

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