Viaduct vs Sightline Intelligence

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

Viaduct compared with Sightline Intelligence
Detail	Viaduct	Sightline Intelligence
What it does	Free C4 modeling tool with an MCP server for software teams to share architecture context with AI development tools	The leaders in onboard video processing and AI-powered defense solutions.
Stage	Not given	Established
Founded	Not given	2007
Based in	LT	US
Pricing model	Freemium	Not given
Pricing	Browser: Free with account. Desktop: €10 a month after 7-day free trial, one licence covers 3 machines. Enterprise: custom pricing.	Not given
Key features	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	AI Target Recognition with automated detection, tracking and classification Real-time stabilization, image enhancement, geospatial encoding Ultra-low SWaP optimization for unmanned systems Flexible integration options for multiple system architectures Edge processing with millisecond latency
What makes it different	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	Field-proven technology deployed in real missions, not prototypes or labs Millisecond processing speed without cloud dependency Nearly two decades of ISR design experience with 200+ person years Over 400 integrating customers in 34 countries
Community votes	0	0
DR (Domain Rating by Ahrefs)	20 no change since last check	39 no change since last check
Trust Flow (Majestic)	10	21
Citation Flow (Majestic)	28	24
Referring domains (Majestic)	74	117

4 details filled in for both companies.

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