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What is ProtaStructure?

ProtaStructure presents an innovative BIM solution specifically designed for structural engineers, allowing them to effectively and accurately model, analyze, and design building structures. The platform's centralized model enables users to easily compare different design alternatives and automate the design processes for both steel and concrete, dramatically reducing design timelines and boosting project profitability. It boasts advanced features, such as grouped member design, three-dimensional finite element analysis, staged construction planning, and evaluations for seismic design and punching shear, which facilitate quick results. Users can adapt effortlessly to changes and enhance collaboration with architects, owners, and other key stakeholders via intelligent BIM integration. By choosing ProtaStructure, users not only save precious time but also enhance project profitability, ensuring an efficient workflow throughout the entire project lifecycle. As a vital resource for contemporary structural engineering endeavors, ProtaStructure empowers engineers to meet the demands of modern construction challenges while delivering exceptional results.

What is CalcSteel?

CalcSteel is a professional structural steel modeling and analysis platform designed to remove the financial barriers associated with traditional engineering software. Operating entirely in the browser, it eliminates the need for installations, hardware restrictions, or operating system limitations. Engineers can build 3D structural models using an advanced editor that supports precise input, intelligent snapping, and intuitive modification tools such as move, copy, and mirror. The platform integrates a powerful 6 DOF finite element method (FEM) solver for accurate structural analysis. After modeling, users can verify structural members against leading international codes, including AISC 360, Eurocode 3, NBR 8800, AS 4100, and IS 800. A library of more than 640 steel profiles ensures compatibility with global design practices. CalcSteel guides users through a streamlined workflow: model, assign profiles and loads, analyze and verify, then export documentation. Professional PDF reports can include company branding, supporting real-world project delivery. Compared to legacy desktop software costing thousands annually, CalcSteel offers a free version and affordable subscription plans starting at a fraction of the price. The system is continuously updated and fully legitimate, providing engineers with reliable tools without resorting to outdated versions or workarounds. Because it is web-based, projects can be accessed from any modern browser across Windows, Mac, or Linux devices. By combining accessibility, affordability, and professional-grade analysis capabilities, CalcSteel redefines how structural engineers design and verify steel structures.

Media

Media

No images available

Integrations Supported

ProtaBIM
ProtaDetails
ProtaSteel
Revit
Tekla Structures

Integrations Supported

API Availability

API Availability

Pricing Information

Pricing not provided

Pricing Information

$9/month
Free Version
Free Trial Offered?

Supported Platforms

SaaS

Supported Platforms

SaaS

Customer Service / Support

Standard Support
Web-Based Support

Customer Service / Support

Standard Support
Web-Based Support

Training Options

Documentation Hub
Webinars

Training Options

Documentation Hub
Online Training

Company Facts

Organization Name

Prota Software

Date Founded

1985

Company Location

Malaysia

Company Website

www.protasoftware.com/protastructure

Company Facts

Organization Name

CalcSteel

Date Founded

2025

Company Website

calcsteel.com

Categories and Features

BIM

Not specified

Construction Design

Not specified

Engineering

Not specified

Categories and Features

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