
AutoCalcs
calc4fem
CalcSteel
ClearCalcs
Hurmet
Maker Calc
Soulver
🧮 A basic, open-source, cross-platform, and note-style calculator. - sj14/calculon

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Website, pricing, platforms and company facts side by side.
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| Website | github.com | opalstack.com |
| Pricing | — | |
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What each product offers, as listed by its team.


Possible disadvantages
Possible disadvantages
An editorial look at what each product does well and who it suits.


Overall verdict
Why this product is good
Recommended for
Overall verdict
Why this product is good
Recommended for
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using Calculon and Opalstack. For example, how are they different and which one is better?
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Spreadsheet Template for Structural Engineering (FEA Analysis for beams, trusses, 2D-frames).
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Model, detail and generate drawings for steel structures directly in your browser. 3D editor, automatic sheets, PDF export.
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Online structural design software. Calculation tools for shear force, bending moment, cantilever deflection, steel beam calculations, wood, concrete and more.
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Measurement Calculator for People who Build with their Hands
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