CRM Skeleton Comparison: Atomic vs NextCRM vs Krayin

A selection guide for three major CRM skeletons.

| Item | Atomic CRM | NextCRM | Krayin |
|--------|-----------|---------|--------|
| Stars | 1.1k | 646 | 23.3k |
| Tech stack | React + Supabase | Next.js + PostgreSQL | Laravel + MySQL |
| Code quality | Very high | Very high | High |
| AI friendliness | High | Very high | Medium |
| Learning difficulty | Medium | Medium | Easy |
| Deployment complexity | Simplest (Supabase) | Medium | Medium |
| Suited team | Small-medium | Medium-enterprise | Small-large |
| Backend deployment | Supabase (serverless) | Self-hosted server | VPS or cloud service |
| MCP support | No | Yes (127 tools) | No |

When to choose Atomic CRM:
- Your team knows React and JavaScript
- You want to learn how to build enterprise apps with React
- You need a modern, clean code-architecture reference
- You do not want to deal with backend deployment complexity (use Supabase)

When to choose NextCRM:
- You need the strongest AI integration (MCP server)
- You extend intelligently with Claude or OpenAI
- You require complete enterprise features (invoicing, vector search)
- You are willing to handle Next.js full-stack complexity

When to choose Krayin:
- Your team uses the Laravel + PHP ecosystem
- You need a mature, stable enterprise CRM (23.3k stars)
- You want lightweight dependencies and easy deployment
- You do not need AI integration

Recommendation by stage:
- Learning stage -> Atomic CRM (clearest)
- AI integration -> NextCRM (best for AI extension)
- Enterprise stability -> Krayin (most mature)