CalcSteel

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CalcSteel is a browser-based structural steel design and analysis platform. No installation, no plugins — open your browser and start modeling. Core capabilities: • Full 3D CAD editor with smart snaps and precise dimensional input • 640+ steel profiles (AISC, Eurocode EN, NBR/Gerdau, IS 808) • Parametric generators for portal frames, warehouses, trusses, and lattice columns • 6-DOF finite element analysis solver • Member verification against 5 international design codes (AISC 360, Eurocode 3, NBR 8800, AS 4100, IS 800) • Axial, shear, and moment diagrams • PDF export with company branding Built for structural engineers, small firms, and students who need professional-grade tools without $3,000–$15,000/year license fees. Free tier includes the full 3D editor with no login required. Pro plans start at $9/month. Available in 6 languages: English, Portuguese, Spanish, French, Arabic, and Bengali.