Productivity●●Solid
Crowdmind – open-source tool to test ideas against AI personas
Synthetic focus groups offer cheap validation before spending ad budget.
Big BrainShip It
jjaramillor
102d ago
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GitHub Repository
Desktop app for building AI persona panels and testing stimuli against them (Electron + React + TypeScript)
6 starsTypeScript
CrowdMind, Free app for building AI personas and testing stimuli
by jjaramillor·Jul 14, 2026·1 point·0 comments
AI Analysis
●●SolidSolve My ProblemSlick
Local-first synthetic user testing with roundtables when UserTesting costs thousands.
Strengths
- •Roundtable mode lets personas debate each other, not just answer in isolation.
- •Exports stakeholder-ready PDF reports with methodology and limitations sections.
- •Built-in MCP server connects synthetic panels directly to agentic workflows.
Weaknesses
- •Synthetic feedback quality depends entirely on the underlying LLM provider choices.
- •Desktop-only Electron app limits collaboration compared to web-based research tools.
Category
Target Audience
Product marketers, founders, and UX researchers
Similar To
UserTesting · Ferret UI · Synthetic Users
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