The platform

Structural engineering tools
built on research depth.

Each product is built for a specific engineering problem. Run calculations or view models directly in the software or browser.

BrowserDesktopPluginWeb appPro available
Bridge Express
Bridge design · Desktop
Bridge Express

Design concrete girder bridges with ease and speed, without loosing accuracy.

One model from concept to construction documents
Integrated analysis, detailing, and BOQ
Parametric design with updates applied across the model, instantly
Free trialPro
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Column Designer
Column design · Web app
Column Designer

A complete RC column analysis and design program that contains everything you need for columns, shear walls, and bridge piers which runs right from your browser

18+ design codes available
3D P-M surface, biaxial bending, moment-curvature, and more
Import models directly from ETABS
Free trialPro
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Gear
Engineering apps · Web
Gear

Engineering tools and reference in one connected platform with apps for analysis, design, and learning.

Results transfer automatically between connected apps
Guided workflows from loads to design to sections
Import from ETABS and SAP2000
Free trialPro
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Prism
Model viewing · Browser
Prism

View ETABS, SAP2000, and Bridge Express models in your browser with interactive 3D inspection and sharing.

Access full 3D models on any device
Select elements to view properties and assignments
Pro: analysis results, deformed shapes, and contours
Free trialPro
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Axiom
AI tools · Plugin
Axiom

AI-powered tools and MCP agents within CSI software to help build ETABS, SAFE and Bridge models from design inputs.

Build full ETABS models from design briefs
Edit and explore models through prompts
Convert PDF drawings into ETABS models (Beta)
Free trialPro
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Coming soon
Extensions
Plugins
Extensions

Downloadable plugins that add focused design and checking tools to CSI desktop software

Building irregularity checks
Wind and seismic load calculators
Load combination generator
Free trialPro
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Accessible to every engineer, regardless of where they practise. .  Inside Eagle Eye →