| What it does | AI-powered software project estimation tool for agencies
| Free C4 modeling tool with an MCP server for software teams to share architecture context with AI development tools
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| Stage | Not given
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| Founded | Not given
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| Based in | Not given
| LT
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| Pricing model | Free trial
| Freemium
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| Pricing | 14-day free trial (no credit card required). Pro plan: $180 per month. Enterprise plan: from $500 per month.
| Browser: Free with account. Desktop: €10 a month after 7-day free trial, one licence covers 3 machines. Enterprise: custom pricing.
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| Key features | - AI-powered estimates from RFPs and briefs
- AI Agent for conversational scope refinement
- Min-max hour ranges and role-based breakdowns
- Reusable templates and libraries
- Branded PDF proposals with auto-calculated totals
- Drag-and-drop project structure
- Export to Jira, Asana, and Excel
- Versioning and assumptions tracking
- Rate cards and cost calculation
- Support for fixed-price and time-and-materials estimates
| - System context, container, component, and code diagrams
- Live collaboration on models
- MCP server for AI coding agents
- Change sets for scoped agent work
- Organization SSO
- JSON import and export
- OpenAPI contract export
- Desktop app for macOS, Windows, Linux
- AI assistant for model descriptions
- Installable PWA
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| What makes it different | - Reduces estimation time from ~4 days to same-day delivery
- AI estimates typically fall within 20% of final numbers
- Purpose-built for sales and pre-sales workflows, not general project management
- Complete workspace with structured workflow, not just AI text output
- Saves significant team time and pays for itself with first estimate
| - Model elements exist once and appear on every level they belong to
- Endpoints are real OpenAPI documents, not diagram labels
- Desktop app keeps all data local and offline-capable
- Free browser version with no paywall or feature limits
- AI agents read and write architecture through MCP
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 12 ▼ −1 (down) since last check | 20 ● no change since last check |
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| Trust Flow (Majestic) | 11 | 10 |
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| Citation Flow (Majestic) | 23 | 28 |
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| Referring domains (Majestic) | 40 | 74 |
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