Compare
Systemap vs Viaduct
C4 modeling tool without animation or video export capabilities.
SystemapAnimated system design diagrams in your browser
ViaductViaduct is a free C4 modeling tool for software teams, with a hosted MCP server that feeds your…Which to pick
Pick Systemap if you want…
- Animated architecture diagrams
Pick Viaduct if you want…
- C4 architecture modeling with AI integration
- C4 software models
Side by side
- What it is
- Systemap:Systemap lets you draw software architecture diagrams in the browser and export them as animated videos or PowerPoint slides.
- Viaduct:Viaduct is a free C4 modeling tool that lets software teams create, share, and sync architecture models with AI agents via a hosted MCP server.
- Best for
- Systemap:Animated architecture diagrams
- Viaduct:C4 architecture modeling with AI integration
- Who it’s for
- Systemap:Developers, architects, and product teams who need visual, animated system designs.
- Viaduct:Software teams that need collaborative architecture modeling and AI-assisted documentation.
- Pricing
- Systemap:Freemium
- Viaduct:Freemium
- Plans
- Systemap:Free $0
- Viaduct:Browser (free) €0 · Desktop licence €10 per month
- Works with
- Systemap:—
- Viaduct:Cursor, Claude Code, Claude Desktop, GitHub, GitLab, Google
Systemap features
- Draw or generate diagrams. Create diagrams manually or import SQL/describe architecture for AI-generated layouts.
- Animated playback. Each page animates packets, state changes and flows to tell a visual story.
- Export to video. Download MP4 videos (720p free with watermark, 1080p paid) for Shorts or presentations.
- PowerPoint export. Export the same animated drawing as PowerPoint slides for decks.
- Unlimited free editor. Use the full editor without sign-up, with unlimited drawings and PNG export.
- Creator plan upgrades. Paid tier adds 1080p video, no watermark, up to 3-minute clips and sound support.
Viaduct features
- Full C4 modeling. Create system context, container, component and code diagrams in one editor.
- Hosted MCP server. Provides a machine-readable context for AI agents to read and write architecture data.
- Live collaboration. Team projects with change sets and real-time sharing.
- AI assistant. Generates missing descriptions, names, and reviews model elements for you.
- Desktop app. Native app with local MCP server, offline work and JSON file storage.
- Import/Export. Import OpenAPI specs and export models or contracts as JSON or OpenAPI.
Systemap vs Viaduct FAQ
Is Systemap or Viaduct free?+
Systemap has a free plan and paid plans. Viaduct has a free plan (Browser (free)); paid plans start at €10/month (Desktop licence).
On DevHunt
Based on each tool's website and DevHunt data. Details may change; check the official sites.