OpenFlows WaterCAD Alternatives (September 2025)

HydroCAD, hydrology and hydraulics software for modeling stormwater runoff and designing stormwater management systems

AFT pipe flow analysis and modeling software is used by engineers in over 80 countries. Learn more and download a free demo.

Aquaveo: Water resources software and engineering consulting services for modeling groundwater, surface-water, and watershed hydraulics & hydrology.

OpenRoads Designer is a road design software for plant documentation, surveying, stormwater design & analysis, visualization, geotechnical, underground utilities, and much more.

TransCAD transportation planning software combines GIS and state-of-the-art methods for solving problems in planning, management, and operations.

Design, analyze & visualize high-performance and sustainable buildings with OpenBuildings, Bentley's all-in-one BIM software.

Micro Drainage is a tool for civil engineers working on surface water and external drainage calculations. It is the industry standard software for the detailed design of fully integrated storm-water and foul-water drainage systems. Learn more.

BricsCAD is a single, native-DWG platform with five product levels including 2D drafting, 3D modeling, BIM, and mechanical design toolsets.

See how Ansys computational fluid dynamics (CFD) simulation software enables engineers to make better decisions across a range of fluids simulations.

IronCAD is intuitive 3D CAD software that increases efficiency and can be used standalone or to complement an existing design environment.

GEOVIA Surpac provides mining companies with customizable 3D mine planning and geological modelling software for either open pit or underground operations.

Speed up data entry and leverage the EDM™ database to store, manage, and share data with Halliburton Landmark’s suite of engineering applications.

nanoCAD - professional, cost-effective CAD Software with powerful 2D/3D modeling tools for viewing and drawing DWG files in engineering and architecture. Free download.

RoadEng is a clean, simple and highly interactive corridor design tool. Ideal for a variety of projects: rural road & highways, rail & pipeline, forest & resource roads, and stream reconstruction. Download a free trial!

Revit software helps MEP engineers, detailers, and fabricators model, analyze, and iterate systems design in BIM to support better performance and sustainability.

ActCAD IntelliCAD Software, AutoCAD Alternative, ActCAD 2D & 3D CAD Software. ActCAD is a 2D drafting and 3D modeling CAD software meant for engineers, architects and other technical consultants. It is a native DWG & DXF CAD software to create and edit drawings.

The ProModel Optimization Suite is a discrete-event simulation technology that helps you to make better decisions faster.

Simcenter STAR-CCM+ is a computational fluid dynamics (CFD) software used to simulate products operating under real world conditions.

FreeCAD, the open source 3D parametric modeler

PLAXIS 2D is user-friendly geotechnical finite element analysis software for engineers to model, simulate, analyze and deploy geotechnical projects.

Optimize design to ensure compliance, understand behavior, and accurately predict the performance of all types of offshore structures.

3D modeling software to create, edit, and modify CAD or STL files for design, reverse engineering, simulation, manufacturing, 3D printing, and sheet metal.

Autodesk InfraWorks lets you model, analyze, and visualize infrastructure design concepts in context. Buy a subscription from the official Autodesk store.

IRONCAD DRAFT is 2D mechanical drafting software with unique 3D integration, enabling users who work in 2D CAD software to view, render & reference 3D models.

At Waterloo Hydrogeologic, our goal is to provide powerful, and yet easy-to-use, groundwater software to professionals in the environmental business. We remain an industry leader with over 5,000 registered installations of our software in over 75 different countries around the world.

Bricsys 24/7 construction project management software is designed for CAD collaboration to help streamline workflows & improve productivity.

Intuitive, customizable and backed by unmatched technical support, CHEMCAD is the leading chemical engineering simulation software that adapts to your specific needs. Start solving simple and complex chemical processes with incredible efficiency today.

Early-stage urban design and feasibility study software that helps you quickly iterate different development alternatives and calculates key urban parameters in real-time.

The official public website of the U.S. Army Engineer Hydrologic Engineering Center (HEC)

Subject your designs to real world conditions to raise product quality while reducing prototyping and physical testing costs.

The Autodesk AEC Collection gives designers, engineers and construction professionals the tools and integrated workflows to create with ease, all in one essential package.

Maximize safety, sustainability and profits by optimizing the entire site in one environment using industry-validated simulation and time-saving workflows with AspenTech.

Discover why CAESAR II is the preferred pipe stress analysis solution of engineers around the world.

Site3D is a fully featured software product for the engineering design of road systems, roundabouts, residential developments and earthworks.

CMS IntelliCAD is the intelligent, powerful and affordable full-featured 2D 3D DWG, DXF, DWF compatible CAD Software.

Simcad and Digital Twin Studio offer comprehensive support for diverse industries such as healthcare, manufacturing, logistics, warehousing, robotics, and automation. With features including Digital Twin Modeling, Lean Analysis, Planning, and Scheduling.

Design and document building systems with the AutoCAD MEP (mechanical, electrical, plumbing) toolset. Create engineering designs within an AutoCAD environment.

Road, Site, and Subdivision design automation in less time with minimal resources. Carlson RoadNET highway design. Import and export to various file formats including Civil3D, LandDesktop, AutoCAD (dwg, dgn, dxf)

Visualize 2D, 3D, and GIS data in a city-scale digital twin and share large-scale projects spanning entire cities down to street level with OpenCities Planner.

Tekla Structural Designer is award-winning software that gives engineers the power to analyze and design buildings efficiently and profitably. Start your FREE 30 day trial now!

IMSI Design is a leader in affordable, general-purpose 3D CAD (Computer Aided Design) and home design desktop software, and a pioneer in mobile solutions for the AEC (Architectural, Engineering, and Construction) industry.

Land F/X is landscape architecture software and irrigation design software that adapts AutoCAD to the needs of your profession. Design faster, with 100 percent

Civil Designer is the preferred civil engineering software package offering a completely integrated civil Infrastructure design solution

Create masterful landscape projects with the all-in-one landscape software built to transform your design, presentation, irrigation, and documentation workflows.

Systems modeling and simulation tool. Experiment and optimize from concept to production. Accurately simulate and analyze before making decisions. Based on the Wolfram Language.

ALLPLAN a Nemetschek Company - offers 3D CAD software for structural, civil and precast concrete engineering

FlexSim provides software to model, simulate, analyze, and visualize (in 3D!) any system in manufacturing, material handling, healthcare, warehousing, supply chain, and more.

Improve design efficiency with Transoft Solutions' Vehicle Swept Path Analysis software, ideal for optimizing vehicle tracking and analysis. Try it now!

RocFall2 is a 2D statistical analysis software program designed to assess slopes at risk for rockfalls.

Simcenter is a flexible, scalable portfolio of the best predictive simulation software and test applications that support every step of your digital journey.

Create your products using the latest 3D product design and manufacturing software, including Inventor, AutoCAD, and Fusion 360, together at one great price.

SOLIDWORKS® Electrical 3D enables you to easily integrate your electrical schematic designs into your SOLIDWORKS 3D product model.

PVcase Ground Mount is a solar design software that helps you create detailed 3D layouts and overcome site specific challenges upfront.

AVEVA Diagrams is a data-driven design system for P&IDs, HVAC schematics and similar diagrams, using the same project environment as AVEVA Everything 3D™ (AVEVA E3D™), AVEVA Outfitting™ and AVEVA’s engineering products. It delivers exceptional integration capabilities, including shared administration, report generation and data management.

TurboCAD.com is home to award-winning TurboCAD 2D, 3D computer-aided design software as well as the DesignCAD, TurboFloorPlan, and TurboPDF family of products delivering superior value to optimize your design workflow.

Learn more about Design Master HVAC, 3D HVAC building information modeling software for AutoCAD.

Tecplot 360 integrated postprocessing environment allows you to analyze detailed flow-field data while producing exceptional visual output

OpenWorks data management software allows you to share information, insights, and interpretations, enabling asset teams to share a common geological framework.

Ansys provides high-performance, automated meshing software that produces the most appropriate mesh for FEA, CFD and other multiphysics solutions.

Intergraph Spoolgen is a proven, industrial-strength application that enables the creation of piping isometric drawings for fabrication.

Autodesk Inventor 3D CAD software is used for industrial design, simulation, and documentation. Buy an Inventor subscription from the official Autodesk store or a reseller.

Vectorworks Architect design software has the flexibility to support your entire architecture project from beginning to end — from conceptual design, to fully coordinated BIM models, to construction documents.

Forest road layout, design and engineering software. Plan culverts, road networks, cable harvesting and more.

Enable discipline experts to work together and make the best possible decisions from exploration to production

ETAP provides market-leading software solutions for electrical systems, from design and engineering to operations and maintenance. Through its integrated electrical digital twin platform, ETAP delivers best-in-class, seamless customer experience and cloud-leveraging technologies ensuring universal accessibility for designers, engineers, and operators empowering users to increase productivity, collaboration, and efficiency, and enabling their energy transition journey.

CADDS 5 is a specialized CAD/CAM software that is the ideal solution for shipbuilders and other discrete manufacturers.

PV*SOL is the industry's leading 3D solar software with the most detailed configuration and shade analysis for PV systems.

Aquarius water data management software for the natural environment lets you acquire, process, model & publish water info from gauge to page in minutes.

AutoCAD-based tool with a high level of precision. Improve efficiency, accuracy, and quality of the PV design on commercial & industrial rooftops.

Fluke Energy Analyze plus is a powerful software package designed to simplify the downloading, analysis, tracking and reporting of power quality and energy data.

Simio provides the software for simulation, production planning and scheduling innovations that gives you fast risk analysis and cost reduction.

Open source EDA / electronics CAD software for Windows, macOS and Linux. Use schematic capture, create PCB designs and view them in 3D, all forever free.

Goes Beyond 3D CAD Design to Encourage Innovation Across the Extended Enterprise.

Autodesk Civil 3D is civil infrastructure design and documentation software. Buy a Civil 3D subscription from the official Autodesk store or a reseller.

Solve complex structural engineering problems with Ansys Structural FEA analysis software solution for implicit and explicit structural analysis.

PetraSim software is the graphical interface for the TOUGH2 family of simulators. Solve challenging subsurface flow problems with PetraSim

Award-winning CAD software for structural packaging design. ArtiosCAD handles all structural design, product development, and virtual prototyping.

OpenBOM™ ☝ Integrated Cloud PDM, PLM, bill of material and inventory management system for engineering teams, manufacturing companies. ✔️ Helps users to manage CAD files, BOM, purchases and collaborate in real time across global networks of engineers, contractors and suppliers.

Automate your civil and structural analysis calculations. Enhance QA processes and combine with your 2D frame analysis. Download a full FREE Tedds trial today.

PLAXIS 3D is geotechnical finite element analysis software for engineers to model, simulate, analyze and deploy staged construction in geotechnical projects.

Software editor, software and tools for conversion of Native and Neutral formats CAD/CAM. CADCAM DATA EXCHANGE - CAD data conversion , native neutral formats. Download your converter or translator for CATIA, THINK, UNIGRAPHICS, SOLIDWORKS, ...

Learn more about Design Master Electrical, 3D electrical building information modeling software for AutoCAD.

Only Corda offers a permissioned ledger, asset modeling capabilities and a multi-party workflow engine all in one flexible platform.

@RISK software is an add-in tool for Microsoft Excel that helps you make better decisions using Monte Carlo simulation

Leverage digital design delivery, portfolio intelligence, data governance, and enhanced engineering work-in-progress capabilities to improve project performance and productivity.

Open, Measure and Convert CATIA, Siemens NX, Creo, SolidWorks, SolidEdge, Inventor, Rhino, JT, STEP, IGS, VDA, X_T, SAT [Free Trial Now]

Ansys engineering simulation and 3D design software delivers product modeling solutions with unmatched scalability and a comprehensive multiphysics foundation.

MagiCAD Group specialises in software solutions and manufacturer services provider for the built environment

NetFlow Analyzer is a real-time NetFlow traffic analysis tool that provides visibility into the network bandwidth performance. Download a free trial now!

Ansys Fluent is the industry-leading fluid simulation software known for its advanced physics modeling capabilities and unmatched accuracy.

Insight building performance analysis software empowers architects and engineers to design more energy-efficient buildings with advanced simulation engines.

Open Plan is a powerful planning and scheduling solution that enhances decision making, improves schedule quality, and optimizes program management.

SimScale is a full-cloud CAE simulation software that helps you perform CFD, FEA, and thermal simulations for CAD models in the cloud.

AVEVA Engineering enables multi-discipline teams of engineers to work effectively together to develop and maintain the detailed definition of all the key engineering items involved in plant or marine projects.

OpenDrives empowers innovators with unimpeded and unlimited access to content and data. Access your content more easily with OpenDrives.

Autodesk AutoCAD LT 2D drafting software helps you create and edit your 2D drawings. Buy an AutoCAD LT subscription from the official Autodesk store or a reseller.

Explore Ansys Twin Builder, a powerful digital twin platform for modeling, simulating and analyzing virtual system prototypes and predictive maintenance.

UML design and business analysis tool for modeling, documenting, reverse engineering, building and maintaining object-oriented software systems, fast and intuitive. Great features, great price.

UML design and business analysis tool for modeling, documenting, reverse engineering, building and maintaining object-oriented software systems, fast and intuitive. Great features, great price.