Best Free Engineering Software - Page 4
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Compare the Top Free Engineering Software as of September 2026 - Page 4
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1
RealityMAX
Atomic Pixels
The 3D design collaboration platform to boost your design workflows. Invite your teammates to collaborate in real-time, build, compose and present in a whole new way. Start building 3D projects together, faster. Stop struggling with different desktop design software and tools at every stage of the process, sending massive files back and forth, and wasting endless hours exporting assets. RealityMAX technology makes all this a thing of the past. Create scenes with multiple 3D models. All major 3D file formats are supported. Share the same 3D workspace, at the same time, working remotely. Get your content out in the world as Web 3D or AR experiences, or insert it on your web page. Invite people to your virtual 3D workspace with just one link. Bring your teammates together from anywhere using the same collaboration software. See changes and updates as they are made, from any device.Starting Price: $40/mo -
2
4Reality
4Reality Studio
4Reality is a versatile real-time rendering software designed to deliver photorealistic visualizations and simulations. It supports CAD and 3D model imports, offering advanced features like Lumen and Pathtracing technologies, dynamic sky simulation, and real-time VFX. Equipped with libraries of materials and models, 4Reality streamlines design processes for professionals in architecture, engineering, and product design. The software supports real-time DEM and CFD simulations, VR headset compatibility, point cloud imports, and advanced material creation. Additional tools include dynamic scene control, saved camera views, interactive annotations, and rendering without resolution limits. Available in French and English, 4Reality transforms 3D models into lifelike experiences.Starting Price: Free -
3
PoligonSoft
PoligonSoft
Professional tools for modeling and optimizing metal casting processes with the ability to predict the formation of defects in cast parts. - Filling Dynamics - Macro and Microporosity - Residual Stresses - Deformations and Warping - Cracks (Hot and Cold) - Hydrostatic Pressure - Mold Wear - Slag Formation PoligonSoft provides reliable simulations that prevent waste and costly redesigns, allowing manufacturers to "get it right" the first time. The core of PoligonSoft includes three calculation systems: hydrodynamic, thermal, and stress. Along with a set of additional options, it allows the simulation of all traditional casting technologies and many special processes. At PoligonSoft, all stages of the casting production process can be sequentially simulated: mold heating, mold filling with molten mass, solidification on the bench or in the thermostat, extraction of the cast part from the mold, cutting of the feeding system and risers, etc.Starting Price: $14,137 USD/year -
4
Avoyd
enkisoftware
Avoyd Voxel Editor and Renderer Create, import, export and render large voxel worlds. 3D art and rendering tool for voxel artists, map builders and game developers. Main Features: - Large scenes up to 256k voxels a side. - CPU and GPU path traced rendering. - Export to optimised mesh glTF and OBJ with physically-based materials parameters, and VOX. - Import MagicaVoxel VOX, Minecraft maps, heightmaps, palettes. - Orthographic projection with Isometric presets. - Up to 65k physically based materials. - Physically based light and atmosphereStarting Price: €15 one-time payment -
5
RSECTION
Dlubal Software
Do you often spend too long calculating cross-sections? Dlubal Software and the RSECTION stand-alone program facilitate your work by determining section properties of various cross-sections and performing a subsequent stress analysis. With the stand-alone program RSECTION, Dlubal Software provides you with a time-saving solution for the calculation of thin-walled and massive cross-sections. The program determines the section properties and performs a stress analysis. The seamless integration with the FEA software RFEM and the structural frame & truss analysis software RSTAB allows for efficient cooperation. RSECTION cross-sections are available in the RFEM and RSTAB libraries, and you can easily import the internal forces in the programs.Starting Price: €292.50 rent 1 month -
6
RSTAB
Dlubal Software
RSTAB is a powerful analysis and design software for 3D beam, frame, or truss structure calculations, reflecting the current state of the art and helping structural engineers meet requirements in modern civil engineering. Use the successful structural frame & truss analysis software RSTAB for your design of beam, frame, or truss structures consisting of steel, reinforced concrete, timber, aluminum, or other materials. With RSTAB, you can easily and quickly define a structural model and then calculate the internal forces, deformations, and support reactions. There are design add-ons at your side that you can use to consider the material- and standard-specific requirements.Starting Price: €487.50 rent 1 month -
7
RunMat
RunMat
RunMat (by Dystr) is a fast, free, open-source alternative for running MATLAB code. Users can run their existing .m files with complete MATLAB language grammar and core semantics. No license fees, no lock-in. 300+ built-in functions supported. RunMat is built with a modern Rust runtime featuring a tiered execution model: an interpreter (Ignition) for instant 5ms startup and a JIT compiler (Turbine/Cranelift) for hot paths. GPU acceleration is automatic via a fusion engine that detects elementwise operation chains and dispatches them as optimized GPU kernels across NVIDIA, AMD, Apple Silicon, and Intel GPUs through Metal, DirectX 12, Vulkan, and WebGPU. Up to 131x faster than NumPy and 7x faster than PyTorch on dense numerical workloads. Runs everywhere: CLI, NPM package, Homebrew, Jupyter kernel, or instantly in the browser via WebAssembly + WebGPU. Single portable binary. MIT licensed.Starting Price: $0 -
8
OwlCAD
Spare Matter Corp
OwlCAD is parametric 3D CAD that runs in your browser, built for designing parts to 3D print. It sits between beginner tools people outgrow and professional CAD that needs an install and a learning curve. Every dimension stays editable: change a value and the model rebuilds. Booleans are manifold by construction, clearance presets size press, slip and loose fits for FDM, and a printability check flags overhangs, thin walls and leaks before export. Includes constrained sketches, per-edge fillets and chamfers, patterns, sweep and loft, assemblies with mates and a bill of materials, and 30+ generators for gears, threads, enclosures, Gridfinity bins and hinges. Imports STL, 3MF, OBJ, STEP and OpenSCAD; exports STL, 3MF, OBJ, GLB, STEP, DXF and SVG. AI generation turns a prompt into an editable model or a sculpted mesh. Also available as a desktop app and an MCP server for AI agents. Nothing to install, no account needed to start.Starting Price: $12.00/month -
9
ProtoFlow
ProtoFlow
ProtoFlow is an AI-native desktop electronic design automation (EDA) tool for schematic capture and PCB design. Describe a circuit in plain language to create an editable first draft, search real electronic parts and footprints, inspect datasheets, clean up wiring, and continue manually in familiar schematic and board editors. ProtoFlow supports ERC/DRC review, 3D board inspection, Git-backed versioning and visual diffs, comments and collaboration, plus manufacturing outputs including Gerber, drill, BOM, and placement files. Designs remain normal editable geometry, and users should verify symbols, footprints, connections, and manufacturing data before production. ProtoFlow can read and write native KiCad files and export to established EDA workflows. A free plan is available without a credit card, with paid options for higher AI usage. It is built for hardware engineers, makers, students, educators, researchers, and electronics startups.Starting Price: Free -
10
HydroCAD
HydroCAD Software Solutions
HydroCAD Stormwater Modeling provides easy TR-20, TR-55, SBUH, and Rational hydrology, plus TC calculations, pond storage, outlet hydraulics, pump routing, underground storage, pollutant loading, and more. Special features include direct CAD import, dam breach routing, skimmers, tubes, siphons, local rainfall data import, and a constantly expanding chamber library. Interactive graphical environment is fast and intuitive, producing better results in less time on every project.Starting Price: $295.00 -
11
RETScreen
RETScreen International
The RETScreen® Clean Energy Management Software platform enables low-carbon planning, implementation, monitoring and reporting. RETScreen Expert, an advanced premium version of the software, is available in Viewer mode completely free-of-charge. We collaborate with government and multilateral organizations to co-fund and develop advanced versions of the RETScreen® Clean Energy Management Software platform. RETScreen Expert, the intelligent version of the software, incorporates benchmark, feasibility, performance and portfolio analysis for various types of facilities, including commercial, institutional, residential, industrial and power generation, all within one comprehensive platform. The focus of our innovation lab is to ensure that the RETScreen software is always at the leading edge of the clean energy technology transition, and that we continuously improve our platform to meet the complex needs of our large and rapidly growing global user community.Starting Price: $869 per year -
12
Simcad Pro
CreateASoft, Inc.
Simcad Pro lets you visualize, analyze and optimize process flow systems in an interactive 2D/3D simulation modeling environment. Plan, optimize, and re-arrange processes and procedures while optimizing layouts, facility improvement, automation and scheduling. Simcad Pro integrates live and historical data to provide the most effective simulation tool on the market. Applications in multiple industries including manufacturing, automation, logistics, distribution warehouse, food and beverage, services, and more. Multi-Threaded - 64 bit Engine. On-the-fly simulation - Make real-time changes to the model while the simulation is running. Animate the model in 2D, 3D and VR with Ray Tracing, light effect, and shadows. Singular model building environment. Smart, Spatially Aware Agents, Sub-Flows, Collision Avoidance and Real-Time Connectivity. Spaghetti Diagrams, Congestion Analysis, Heat Maps, Efficiency and OEE. Extensive reporting and analysis tools. Scenario Analyzer.Starting Price: $4950.00/one-time/user -
13
AirData
AEROsoft Systems
AEROsoft Systems, Inc. has been serving the aviation industry for over 25 years. We design, develop and market software that makes your company easier to manage and more productive. Our main product called AirData is a procurement and inventory management application written specifically for companies in the Aviation and Aerospace industries. AirData provides aviation supply companies and distributors with a single, integrated inventory and customer management system. We also offer custom database design, database programming and data conversion services. AirData Version 4.0 is an Inventory Management System written specifically for aviation and aerospace distributors, suppliers and brokers. It provides the special tools required to run your aviation business such as creating, printing and viewing: Purchase Orders, Invoices, Repair Orders, Customer & Vendor Quotations, Reports, Inventory Control, Material Certifications and Control Tags.Starting Price: $1995 one-time payment -
14
Predator CNC Editor
Predator Software
The Predator CNC Editor is the most popular CNC code editor available on the market. It includes hundreds of features to improve the day to day productivity of CNC machine tools, operators and CNC programmers, yet it is extremely easy to use. The Predator CNC Editor is the ideal choice for the small job shop or the largest manufacturer.Starting Price: $250 -
15
AxisVM
InterCAD
The primary applications of AxisVM are in the design of buildings, and industrial and geotechnical structures. Due to its powerful finite element solver and practical modeling tools, it has also been used in bridge design, and in the design of composite structures, machines, and vehicles. Besides the basic configurations, optional design modules are available for structures made of reinforced concrete, steel, timber, and masonry members and connections. In addition, thanks to the special elements and analysis capabilities, users have successfully applied AxisVM to the design of innovative and custom structures. Reports can be created based on tables, drawings, and detailed design calculations with additional headings and text lines. Reports are auto-updating, i.e. generated based on the most current model data and results.Starting Price: $500 one-time payment -
16
GeoSpin
GeoSpin
Get quick and clear answers to your questions about locations. You don’t need any IT or data knowledge, just an Internet connection. A web interface gives you access to Germany-wide forecasts, analyses, and numerous data sources. LIA provides you with a user-friendly menu to select the relevant information for your questions. The answers to your questions are intuitively displayed on an interactive map, allowing you to examine the analyses in even more depth. LIA enables you to make the right decisions in your industry. Analyze and evaluate at the click of a button, and gain a locational and competitive advantage. Whether it is complex AI forecasting, influence factor determination, digital twins, or viewing and filtering millions of data points: LIA makes location intelligence simple, fast, and intuitive for you. With the intelligent geo-data analyses from LIA, you save resources, expand your action competence, and gain advanced knowledge and a competitive edge in the market.Starting Price: €75 per month -
17
G6GFINDR System
G6G Tech
g6gTech, Inc. is a software development company that creates in-depth search products in the bioinformatics and artificial intelligence (AI) fields. We have recently changed our name from the G6G Consulting Group to emphasize our focus on creating products. Powered by semantic annotation, the new G6GFINDR System searches an expanding database of bioinformatics and artificial intelligence software using a two-step process that allows you to fine tune your search. The system used the previously developed Directory of Omics and Intelligent Software as a core starting point. We will be expanding the database of searched products at an accelerating rate. All products in the database have been carefully curated. The G6GFINDR System uses cookies to automatically collect information about your activities to optimize results. The G6GFINDR System is created by g6gTech, Inc.Starting Price: $9.95/month/user -
18
Trimble Connect
Trimble MEP
Connect the right people to the right data at the right time. By giving everyone access to detailed project information, Trimble® Connect helps us all build better by making project information transparent, traceable and accessible. See 3D models with full-scale overlay in the real world with our HoloLens application. With mobile, desktop and web accessibility, stakeholders can access what they need, when they need it. Using our cloud-based collaboration platform, MEP contractors and engineers can coordinate, communicate and collaborate directly. Achieve predictable control by consolidating information across the design, build, and operate project phases. Trimble Connect is the glue between software and hardware products across the entire MEP workflow, connecting the different stages of a project and the countless contractors working on it.Starting Price: $10 per user per month -
19
VTScada
Trihedral
VTScada is award-winning software that provides a refreshingly intuitive platform for creating highly-customized industrial monitoring and control applications that end users can trust and use with ease. A wide variety of industries around the world use VTScada for mission-critical applications of every size. VTScada is unique in that all its core SCADA components are developed in-house and are installed out-of-the-box. No need to cobble together basic functionality using custom code and third-party components like alarm dialers, Historians, and application version control. Built-in is better.Starting Price: $3,295 one-time fee -
20
DC-E DigitalClone for Engineering
Sentient Science Corporation
DigitalClone® for Engineering is the world's only gearbox reliability prediction solution integrating multiple scales of analysis in a single software package. In addition to modeling and analysis capabilities at the gearbox and gear/bearing levels, DC-E is the only solution available that models fatigue life based on detailed, physics-based models of the material microstructure (US Patent 10474772B2). DC-E enables construction of a gearbox digital twin with high value across all stages of the lifecycle of the physical asset - from design and manufacturing optimization to component supplier selection to failure root cause analysis to condition-based maintenance and to prognostics. This computational environment drives down the time and cost to bring new designs to the market and to sustain them over time.Starting Price: Upon request -
21
inVIEW IIoT Platform
INDAS
The inVIEW IIoT Platform from INDAS is a Cloud solution for remote supervisory, control and data acquisition projects. It is utilized for visualization and control of any kind of real-world automated processes or applications using web-browsers and for the gathering of data from the automation equipment or IoT devices. The inVIEW IIoT Platform can be used in industrial, residential, infrastructure or even home automation projects. The inVIEW IIoT Platform is a service of using cloud-hosted inVIEW WebSCADA software for all kind of your remote supervisory, remote control and/or data acquisition projects. Create your projects and run your business on an industrial-grade reliable cloud solution with all costs known upfront. When using inVIEW IIoT Platform, for visualization of your data and for designing and editing of your project, you will need only web-browser on any kind of device. No additional software, add-ons or plug-ins of any kind are needed.Starting Price: $3 per month -
22
Equator
Equator
Stand out, sell more Impress prospective clients with stunning maps and hidden location insights. Save time Save time finding the data sets you need, or add your own. Create figures fast! Anyone can do it! Get up to speed in minutes, Equator is for the whole team. Technical Proposals Uncover meaningful location insights and unlock the potential from thousands of maps built right into Equator. Score higher on proposals with better background data, without losing billable time. Anyone in the office can do it! Site Investigation. Don’t waste another minute staring at a blank page – understand, brainstorm, then analyze right on the map. Share your map canvas with others to get creative and generate ideas in real-time. Equator will provide endless inspiration, and save hours of time on your next proposal.Starting Price: $29.99 per user, per month -
23
Vectary
Vectary
Vectary is the most accessible 3D and Augmented Reality design platform. No downloads, all in the browser. Build immersive experiences for the real world. Publish 3D and Augmented Reality content to any website, on all platforms with Vectary Web AR. Transform your imported model with high quality and free materials, environments and lightning setups in Vectary. Enhance your 3D content with access to hundreds of free high quality materials carefully selected to shine in AR. Let Vectary do the heavy lifting of reliability and performance optimization to ensure smooth experience on every device. Web AR automatically bakes physically accurate materials and shadows for extra realism and immersion. Vectary can import 3D files from all major tool-chains in the polygon, CAD modeling and 3D scanning field. Over 60 import formats are included in the free version, with additional CAD package available for specific files from Catia, Solidworks, Pro Engineer etc.Starting Price: $12 per user per month -
24
MatDeck
LabDeck
MatDeck is a universal, technical software for Mathematics, Science, Engineering, Chemistry, Coding, Databases and many other uses. Our software offers a complete Python IDE; thousands of mathematical functions; a drag and drop GUI Designer and various visualization tools, all embedded within a cutting-edge, live document for an inexpensive and professional computing environment.Starting Price: Free -
25
finalRender
cebas Visual Technology
Subscription Drop 5 stays true to its trueHybrid™ promise, even when massive volumetric datasets are used. finaRender is your next generation Visual FX powerhouse! In addition to the standalone rendering plugin for 3ds max, finalRender became a core part of every new single release of thinkingParticles. You can work with massive OpenVDB operations in 3ds Max - and thanks to thinkingParticles Subscription Drop 10 - those massive data sets can easily be handled and visualized with finalRender. If You are an architect, a general 3D vizualization artist or a visual effects pro, finalRender covers it all. Just pick the one rendering solution that does it all. finalRender Subscription Drop 5 is not only about direct rendering industry standard OpenVDB volumes. It is so much more! With its full OptiX™ RTX framework support, specifically optimized for Ray Tracing performances on the GPU, architects and general 3D vizualization artists benefit from an ever increasing power to visualize.Starting Price: $24.5 per month -
26
Guerilla Render
Guerilla Render
Composed of Guerilla Station and Guerilla Render, Guerilla is a Production-Proven Look Development, Assembly, Lighting and Rendering Solution designed for the Animation and VFX industries. Used on a wide range of Productions, from Full CG to Hybrid and VFX, from Feature Films to TV Series, from low budget to medium and high budget, Guerilla is the State of the Art Software, easy to use and to deploy in your pipeline and will give you all the flexibility you need for your productions with no compromise on performances. Give more power to creativity with the new procedural system which now counts 4 depth levels of instantiation. OCIO management is fully supported with looks and input LUTs, color picker and color boxes. Reduce the memory footprint of your instances composed of several objects with the Group Instance Prims options of the instances procedural. New Asynchronous OpenGL View to prevent UI freezes and to load geometries as you work.Starting Price: €280 -
27
3Delight
Illumination Research
Introducing 3Delight refreshingly simple and fast. High performance production rendering software & tools with unmatched support services. Illumination Research, headquartered in Singapore, specialises in rendering solutions for the demanding environment of the VFX and animation production pipeline. 3Delight was first introduced in 2002 and has since been used in countless feature films and commercials. Our product line include 3DelightNSI, 3Delight for Maya and 3Delight for Katana. We are also in the testing phase for a rendering service through 3Delight Cloud. 3Delight for Maya is our proprietary rendering plug-in for Autodesk® Maya®. It is easy to use by the artists, while providing all the flexibility to support the most demanding rendering pipelines. The free 3Delight comes with one full license with all the features but with a restriction to use a maximum of 12 cores for rendering on your computer.Starting Price: $30 per week -
28
OnScale Solve
OnScale
OnScale is the first Cloud Engineering Simulation platform. It combines powerful multiphysics solver technology with the limitless compute power of cloud supercomputers. With OnScale, engineers can run massive numbers of full 3D multiphysics simulations in parallel to create true Digital Prototypes digital representations of physical high-tech devices that capture the complete behavior of a device over its operating envelope. With OnScale Solve we want to provide you with an awesome Cloud Engineering Simulation experience that’s easy, powerful, and gets the job done. OnScale Solve is built to run on public and private cloud supercomputers and includes a functional web-based UI, an API to efficiently integrate into any design workflow, scripting languages to fully customize engineering simulations, and plugins to enhance its modeling capabilities. OnScale Solve gives engineers the simulation capability necessary to synthetically generate data to train sophisticated AI/ML algorithms.Starting Price: $4 -
29
Predator Software
Predator Software
Since 1994, Predator Software focuses on automating manufacturers worldwide with innovative and award-winning software applications. Predator Software is an industry leader in Industry 4.0, lean manufacturing, industrial networking solutions and automation via shop floor control or SFC. Predator's SFC technologies include CNC networking, machine monitoring, OEE, production data management, data collection, machine simulation & verification, tool & gage crib management, traveler management, CNC post processing, flexible manufacturing systems and robotic cell control software.Starting Price: $250 -
30
Giraffe
Giraffe
Accelerate your ability to scale by conducting site analysis in real time with your design. Allowing you to focus on what's important: making a lasting impact on your communities. Quickly get a 360-degree view of your idea. Follow your instincts, draw an idea and let Giraffe do the heavy lifting: overlaying data, querying and automatically calculating your proof of concept. Utilize data discovery to see your site's most up-to-date local mapping data. Giraffe combines maps from any source and treats them like layers. Allowing you to analyze, sort and group them for ease of use. Engage your stakeholders with an immersive view of the potential you see for a site. Provide viewer level access to the plan for increased community engagement that includes context and images. With Giraffe, you create something you're confident in and share it when you're ready. Interrogate plans rapidly from a shared space.Starting Price: $250 per user per month
