For structural engineering software, start with Dlubal RFEM 6 if you need the broadest general-purpose analysis stack with transparent pricing and strong interoperability. SkyCiv is the cleaner cloud-first option for smaller teams, ETABS is the better fit for multi-story building analysis, and Tekla Structures or Konstru matter when the workflow is detailing or BIM handoff rather than solver depth.
This page compares every catalog tool currently tagged to structural engineering, including calc tools, FEA platforms, bridge specialists, structural BIM, and interoperability layers.
Last updated 2026-07-18.
Professional finite element analysis software with member, plate, shell, and solid elements; linear and nonlinear analysis; and modular add-ons for concrete, steel, timber, and glass design.
C1 4/5 reflects one-time licensing, C2 4/5 reflects the documented webservice/API, C4 4/5 reflects IFC, DXF, SAF, SDNF, DSTV, glTF, Bentley ISM, BricsCAD, and VTK coverage, and C5 5/5 reflects Revit, AutoCAD, BricsCAD, and Bentley integrations.
One-time Agent access: API Firm fit: Solo, Small team
Cloud-based structural analysis and design platform covering 3D FEA, member design, connection design, and foundation design -- no installation required.
C2 4/5 reflects the public API, C4 4/5 reflects IFC, DXF, RVT, and JSON coverage, and C5 4/5 reflects Revit, Tekla, and AutoCAD integrations. Firm-size fit is solo to small-team.
Sub Agent access: API Firm fit: Solo, Small team
General-purpose finite element analysis software from CSI, covering buildings, bridges, industrial structures, and non-building applications with advanced nonlinear and dynamic analysis.
C2 3/5 reflects the documented developer surface, and C5 4/5 reflects Revit, ETABS, SAFE, and CSiBridge interoperability. IFC and DXF sit alongside the native SAP2000 .SDB model format, and RF3 marks that proprietary core format; firm-size fit is small-team to growing.
Contact sales Agent access: API Firm fit: Small team, Growing firm
Lock-in
3D finite element structural analysis and design for steel, concrete, timber, and aluminum with 90+ international design codes, used on buildings, bridges, and industrial facilities.
C1 5/5 reflects published subscription pricing, and C4 4/5 reflects IFC, ISM, CIMSteel/2, and DXF support. The integration surface includes Revit, ArchiCAD, Tekla, Navisworks, and Bentley iTwin, and firm-size fit is small-team to growing.
Sub Agent access: API Firm fit: Small team, Growing firm
Subscription-based 3D finite element analysis software for buildings and industrial structures, covering steel, concrete, wood, masonry, aluminum, and cold-formed steel design.
C3 4/5 reflects established desktop onboarding, C4 4/5 reflects DXF, SDNF, XLSX, TXT, and CIS/2 exchange, and C5 4/5 reflects Revit, ArchiCAD, Tekla Structures, ADAPT Builder, and SDS2 integrations. C2 2/5 reflects no public API or scripting surface.
Sub Agent access: None Firm fit: Solo, Small team
Structural calculation automation tool that generates compliant, auditable calculation sheets for beam, column, connection, and foundation design across multiple international codes.
C2 3/5 reflects the documented API, C4 4/5 reflects PDF, IFC, RVT, DWG, and DGN coverage, and C5 4/5 reflects Tekla Structures, Revit, and SketchUp integrations. RF3 is present.
Sub Agent access: API Firm fit: Solo, Small team
Lock-in
Integrated structural analysis and design software for multi-story buildings (steel/concrete frame, shear-wall, seismic, composite) on CSI's 64-bit SAPFire engine, sharing the CSI OAPI automation layer with SAP2000, SAFE, and CSiBridge.
C2 3/5 reflects the CSI OAPI across VBA, VB.NET, C#, C++, Python, and MATLAB, and C1 4/5 reflects public perpetual pricing from USD 7,293 to USD 17,504 plus maintenance. C5 4/5 reflects Revit, SAP2000, SAFE, and CSiBridge interoperability.
from $7,293 Agent access: API Firm fit: Small team, Growing firm
Structural steel connection design and concrete D-region analysis software using CBFEM (Component-Based Finite Element Method) -- designs and code-checks steel connections, concrete members, and anchoring per AISC, Eurocode, and other standards with BIM integration to 40+ FEA/CAD tools.
C5 5/5 reflects SAP2000, ETABS, Revit, Tekla Structures, Midas Civil, RFEM, STAAD.Pro, and Advance Steel integrations, while C4 4/5 reflects IFC, DXF, and CIS/2 exchange. C2 2/5 is capped by RF2 because public agent access is limited to unknown Enterprise-tier API support with no documented CLI or MCP.
Free trial Agent access: API Firm fit: Small team, Growing firm
Agent-hostile
Desktop floor-system modeling and design software for multi-story buildings that pairs with RISA-3D for lateral analysis and publishes public annual subscription pricing.
C1 4/5 reflects public subscription pricing plus a free trial, C3 4/5 reflects a focused multi-story gravity-framing workflow, and C5 4/5 reflects the RISA-3D and Revit link. C4 4/5 reflects DXF import and partial RVT round-tripping, while C2 2/5 reflects no documented API or scripting surface.
Free trial Agent access: None Firm fit: Solo, Small team
Standards-aligned structural calculation platform with 200+ inspectable, code-referenced calculators for beam, column, frame, shear wall, retaining wall, and wind/seismic design.
C1 4/5 reflects public subscription pricing, C2 3/5 reflects the documented API, C4 4/5 reflects PDF and CSV output, and C5 3/5 reflects AutoCAD and BricsCAD integrations.
Sub Agent access: API Firm fit: Solo, Small team
Parametric bridge analysis, design, and load-rating software from CSI -- defined using layout lines, spans, bearings, abutments, bents, hinges, and post-tensioning; includes the SAPFire analysis engine with staged construction, creep/shrinkage, cable tensioning, geometric/material nonlinearity, and AASHTO LRFD design code checks.
C2 3/5 reflects the CSI OAPI across VBA, VB.NET, C#, C++, Python, and MATLAB, and C1 4/5 reflects public perpetual pricing from USD 13,391 to USD 29,756 plus maintenance. The structural scope is bridge analysis, design, and load rating rather than general building analysis.
from $13,391 Agent access: API Firm fit: Small team, Growing firm
Free, open-source bridge design, analysis, and load-rating software suite developed and maintained by the Washington State Department of Transportation (WSDOT) -- PGSuper for precast-prestressed concrete girder design (AASHTO LRFD), PGSplice for spliced post-tensioned girders, XBRate for reinforced concrete bent-cap load rating, plus BRIDG Concrete/Steel and BEToolbox utilities, bundled in the BridgeLink suite; used by state DOTs and bridge engineering consultants across the United States.
C1 5/5 and C4 5/5 reflect a free, usable download with CSV and XLS export and no lock-in flag, while C2 2/5 reflects the WBFL C++ SDK and Barlist SDK rather than a public cloud API or CLI.
Free tier Agent access: API Firm fit: Solo, Small team, Growing firm
Parametric BIM platform for advanced infrastructure design to build workflows -- extends Allplan Ultimate with integrated bridge structural analysis (AASHTO LRFD and Eurocode with national annexes), code-based reinforcement design and checking, parametric road/alignment modeling, 4D construction sequencing, and prestressing tendon modeling; supports all relevant file interfaces (IFC, BCF, LandXML, DWG, DGN, RVT, 3DM) plus Python API and Visual Scripting for automated workflows; part of the Nemetschek Group, with transparent published subscription pricing on the Allplan e-store.
Within the structural placement, C2 4/5 reflects the Python API and Visual Scripting surface, and C5 4/5 reflects SCIA Engineer plus visualization and collaboration integrations. C4 4/5 reflects IFC, BCF, LandXML, DWG, DGN, RVT, 3DM, SKP, and SAF exchange in a bridge-focused structural workflow.
from $10,548 Agent access: API Firm fit: Growing firm
Desktop structural analysis and design software for multi-material building and bridge projects, with BIM-ready modeling, openBIM workflows, and transparent annual subscription pricing.
C1 3/5 reflects published $827 per-user monthly pricing billed yearly plus a 30-day trial, C4 4/5 reflects IFC, SAF, and DXF interoperability, and C5 4/5 reflects Revit and Tekla Structures integrations. C2 2/5 reflects no documented API or scripting surface.
from $9,924 Agent access: None Firm fit: Small team, Growing firm
Structural analysis and design suite focused on component-level concrete, steel, timber, masonry, foundation, and geotechnical checks, sold as modular editions with public pricing and trial access.
C1 4/5 reflects edition pricing that starts at EUR 244/month plus a free trial, C4 4/5 reflects PDF export plus IFC workflows, and C5 3/5 reflects the ALLPLAN BIM Connector integration. C2 2/5 reflects no documented API or scripting surface.
Free trial Agent access: None Firm fit: Solo, Small team
Constructible structural BIM software from Trimble for steel, concrete, precast, and timber detailing -- produces fabrication-ready shop drawings, rebar detailing, and CNC/DSTV output directly from the 3D model.
The structural placement is a detailing and fabrication workflow rather than finite-element analysis; C5 4/5 reflects Tekla Structural Designer, Tekla Tedds, Robot, and SAP2000 interoperability, and C4 4/5 reflects IFC and CIS/2 exchange. C3 2/5 reflects the heavier desktop adoption path, and RF1 keeps C1 at 2/5.
Quote-only Agent access: API Firm fit: Small team, Growing firm
Hidden price
Web-based common data environment and interoperability platform for structural and BIM workflows, syncing models bidirectionally between Revit, Tekla Structures, ETABS, SAP2000, RAM, Grasshopper, Excel, and Dynamo with version control, model comparison, and change tracking.
The structural placement is bidirectional model sync between analysis tools and BIM authoring tools inside the same connector stack. C5 5/5 reflects the Revit, Tekla Structures, ETABS, SAP2000, and RAM integrations, and RF2 caps C2 because no public REST API, CLI, or MCP is documented.
Free tier + from $0 Agent access: None Firm fit: Solo, Small team, Growing firm
Agent-hostile
Integrated 3D structural analysis and design software for steel and concrete building systems. RAM Structural System combines gravity, lateral, and foundation workflows in a Windows desktop suite used by structural engineers working on building frames, tilt-up systems, and multistory concrete or steel structures.
C1 2/5 reflects paid per-seat subscription licensing, while C2 3/5 reflects the RAM DataAccess API plus XML and SQLite export. C5 4/5 reflects Revit, Tekla, OpenBuildings Designer, RAM Concept, and RAM Connection interoperability; firm-size fit is small-team to growing.
from $4,856 Agent access: API Firm fit: Small team, Growing firm
Structural steel and reinforced-concrete detailing software that combines ProSteel and ProConcrete in one parametric 3D modeling package. It is aimed at fabrication-ready structural detailing, shop drawings, bar schedules, and model-driven documentation rather than full building-scale analysis.
C1 2/5 reflects paid per-seat subscription licensing, while C2 3/5 reflects the ProStructures and MicroStation API surface. C4 3/5 reflects IFC, DGN, and DWG exchange, and C5 4/5 reflects MicroStation, ProjectWise, AutoCAD, and IFC-based BIM-tool interoperability.
from $9,536 Agent access: API Firm fit: Small team, Growing firm
MicroStation-based bridge design and analysis application for concrete and steel bridge modeling, analysis, design, and load-rating -- integrates terrain, roadway geometry, access ramps, and related infrastructure assets, with support for AASHTO LRFD/LFD/LRFR and international bridge design codes.
The structural placement is tied to bridge-specific modeling, analysis, load rating, and code-check workflows rather than general building analysis; C5 3/5 reflects Bentley-ecosystem integrations, and C3 2/5 reflects the specialized MicroStation-based workflow.
from $10,028 Agent access: API Firm fit: Growing firm
Structural wood design software suite (Sizer, Shearwalls, Connections) for light-frame and mass timber structures, conforming to IBC, ASCE 7, NDS, and SDPWS. Published by the Canadian Wood Council and endorsed by the American Wood Council with concurrent licensing, free updates, and Revit/cadwork interfaces.
RF2 keeps C2 1/5 because the desktop suite has no public API, CLI, or MCP, while C1 4/5 reflects subscription pricing with a 10-day trial and C4 4/5 reflects cadwork export plus partial IFC export via Revit and MWF Pro Wood.
Free trial Agent access: API Firm fit: Solo, Small team
Agent-hostile
FEA, BIM, and CAD software for structural engineering with a strong bridge-design specialisation -- the SOFiSTiK Bridge + Infrastructure Modeler (SBIM) provides parametric 4D bridge modelling with integrated structural analysis, code-based design (Eurocode, BS, AASHTO), and BIM coordination (Revit, Rhino, AutoCAD integration); the FEM Packages cover 2D/3D finite element analysis for buildings and infrastructure; founded 1987 in Nuremberg, Germany, with ~100 employees serving over 5,000 customers worldwide, including the Queensferry Crossing (Scotland) and other major bridge projects.
RF1 keeps C1 2/5 because commercial pricing is quote-required, and C2 3/5 reflects Grasshopper, Rhino Python, and Revit add-on scripting rather than a standalone public API. C5 4/5 reflects Revit, Rhino, AutoCAD, and IDEA StatiCa integrations, and C4 3/5 reflects IFC, DWG, DXF, and SAF exchange.
Quote-only Agent access: API Firm fit: Growing firm
Hidden price
Precast detailing and production-planning software for wall and slab fabricators, with Planbar lineage, automated reinforcement workflows, and explicit monthly pricing.
The structural placement is limited to precast detailing rather than general structural analysis; C1 3/5 reflects published pricing from EUR 618.25/month plus a trial, C3 2/5 reflects specialist precast-factory adoption, and C5 4/5 reflects ALLPLAN and IFC workflows. C2 2/5 reflects no documented API or scripting surface.
Free trial Agent access: None Firm fit: Small team, Growing firm
Specialised bridge design and load-rating software from the American Association of State Highway and Transportation Officials (AASHTO) -- the BrDR (Bridge Design and Rating) product supports AASHTO LRFD design, load rating (LRFR/LFD), and bridge management (BrM) for U.S. state DOTs and their engineering consultants; part of the AASHTOWare suite alongside Project (construction management), Pavement ME Design, Safety, and PermitRoute; developed collaboratively by state transportation agencies with an AASHTOWare OpenAPI for system integration and an Alliance Program for third-party partner extensions.
C1 3/5 reflects published FY2026 pricing from $6,850 to $13,000 per year, and C2 3/5 reflects the documented AASHTOWare OpenAPI. C4 2/5 reflects CSV export, and the recorded workflow is agency-licensed bridge design and load rating.
from $6,850 Agent access: API Firm fit: Growing firm
Cloud-accessible structural analysis and design software combining model-based design with analysis capabilities, featuring seismic design, portal frame design, and AI-assisted workflows for structural engineers.
RF1 remains attached because pricing is contact-sales, C2 3/5 reflects the .NET Open API and remoting API, and C4 3/5 reflects IFC 2x3/4/4.3, DWG, DGN, PDF, STP, IGS, and RVT interoperability. C5 3/5 reflects Tekla Structures, Revit, Grasshopper, and Trimble Connect integrations.
Quote-only Agent access: API Firm fit: Small team, Growing firm
Hidden price
Structural analysis software for utility poles -- performs comprehensive pole loading analysis for joint use, equipment or line upgrades, system hardening, and pole replacement; supports wood, manufactured steel, and concrete poles with nonlinear finite element processing.
RF1 keeps C1 2/5 because pricing is quote-required, and C2 1/5 reflects no documented public API, CLI, or scripting surface. C5 3/5 reflects SPIDAcalc, Katapult Pro, and Osmose field-service integrations, and C4 2/5 reflects CSV export in a utility-pole structural workflow.
Quote-only Agent access: None Firm fit: Small team, Growing firm
Hidden price