Free BMD/SFD calculator for beams, frames, and trusses. Very popular with undergrads for quick checks.
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Shear and moment diagram calculator that outputs manual-style step-by-step solutions — ideal for checking homework.
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SkyCiv Beam Calculator
skyciv.com
Professional-grade beam analysis with reactions, SFD, BMD, deflection, and design code checks.
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WebStructural
webstructural.com
Free multi-span beam designer with interactive drawing and steel/wood design checks.
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Clean beam calculator for continuous and indeterminate beams with moment, shear, and deflection diagrams.
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Simulations4all
simulations4all.com
Interactive shear and moment diagram builder with real-time feedback, verified against Beer & Johnston and Hibbeler.
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STRIAN
structural-analyser.com
Browser-based solver for beams, frames, and trusses — runs offline and draws SFD, BMD, and deflected shape.
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Free interactive statics apps including a free body diagram maker and Mohr's circle visualizer.
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