Best Free Engineering Software of 2026 - Page 5

Create photorealistic renders in under 10 seconds with AI. Upload your Sketchup or Archicad models and let our AI rendering software do the rest. No installs or 3D modeling experience needed. Runs in the cloud.

Cableizer is an electrical, mechanical and thermal cable design software package. Cableizer is a web-based application: it is inexpensive, widely available and customizable. It also has better interoperability and is easier to maintain and install than a desktop program. Property • Software-based cable design up to 500kV! • Calculations of cable mass, heat of burning, CO2, price etc. Calculation of cable pull and rated current • Environmental calculations including magnetic field and increase in ground temperatures • Web-based, without installation or dongle but with automatic updates Share links directly with customers to collaborate

The 3D collaboration platform will boost your design workflows. Invite your teammates to work together in real-time. Build, compose, and present in an entirely new way. Start building 3D projects faster. Stop wasting time with different desktop design tools and software at every stage of the project, sending large files back and forward, and exporting assets for hours. RealityMAX technology eliminates all of this. Create scenes using multiple 3D models. All major 3D formats are supported. Remotely share the same 3D workspace. You can also embed your content on your website as Web 3D or AR experiences. Invite people to your 3D virtual workspace by using just one link. Bring your team together from anywhere with the same collaboration software. You can see the changes and updates made from any device.

4Reality is an innovative real-time rendering software developed to provide high-quality photorealistic visualizations and simulations. Designed for professionals in architecture, design, engineering, real estate, and product development, it supports CAD and 3D model imports from various platforms like SketchUp, SolidWorks, and Revit. Its advanced features include Lumen and Pathtracing technologies, dynamic sky simulation with sun, moon, and stars, and real-time VFX for immersive visuals. 4Reality offers robust libraries of materials and 3D models, real-time DEM and CFD simulations, VR headset compatibility, and point cloud imports, making it ideal for both presentations and technical analyses. Tools like advanced material creation, dynamic scene control, saved camera views, and interactive annotations enhance design workflows, while features like real-time modifications, configuration states, and resolution-free rendering improve productivity. Available in French and English, 4Reality empowers users to bring 3D models to life with remarkable realism, streamlining processes and elevating professional presentations.

PoligonSoft offers a suite of advanced simulation software designed to enhance and refine the process of metal casting. This software suite empowers users to anticipate potential defects in the final product. Key Analysis Features Include: Fluid Flow during Pouring Formation of both Large and Microscale Porosity Stresses that Remain After Solidification Distortions and Shape Changes Development of Fractures at Various Temperatures Fluid Pressures Erosion of the Mold Material Our software stands out for its ability to streamline production, reduce material waste, and eliminate the need for repeated designs, thereby ensuring that the production cycle is optimized from the start. PoligonSoft's analytical capabilities are built upon three fundamental systems: fluid dynamics, heat transfer, and mechanical stresses. These, combined with an array of advanced features, facilitate the simulation of a wide range of casting methods, including specialized techniques.

Avoyd Voxel Editor and Renderer is a 3D art and rendering tool for voxel artists, Minecraft map builders and game developers. With Avoyd you can - Create worlds up to 256k voxels a side. - Create and render Voxel Art with CPU and GPU path tracing. - Export to optimised mesh (glTF, obj) for 3D modelling tools like Blender and game engines like Unreal Engine, Godot or Unity. - Import and export MagicaVoxel .vox files. - Import and render Minecraft worlds and Heightmaps from software like World Machine - Import and create material palettes with up to 65k physically based materials. - Physically based light and atmosphere. - Orthographic projection with Isometric presets.

Do you spend too much time calculating cross-sections every day? Dlubal Software's RSECTION standalone program and Dlubal Software's Dlubal Software can help you by determining the section properties of different cross-sections, and then performing a stress analysis. Dlubal Software offers a stand-alone program RSECTION that allows you to calculate thin-walled or massive cross-sections in a much shorter time. The program calculates the section properties, and performs stress analysis. The seamless integration between the FEA software RFEM, and the structural frame & truss software RSTAB, allows for efficient collaboration. The RFEM and RSTAB libraries have RSECTION cross sections, and you can import the internal forces easily.

RSTAB is a powerful software that allows structural engineers to meet the requirements of modern civil engineering. It provides a 3D beam, frame or truss calculation. Use the RSTAB software to design beam, frame or truss constructions made of steel, concrete, wood, aluminum or other materials. RSTAB allows you to quickly and easily define a structure model, then calculate internal forces, deformations and support reactions. You can use the design add-ons to take into account material- and standard specific requirements.

RunMat is a free, open-source runtime that runs MATLAB-syntax .m files with automatic GPU acceleration. No MATLAB license needed. Built in Rust with a JIT compiler and a fusion engine that automatically routes math operations to your GPU -- NVIDIA, AMD, Apple Silicon, or Intel. Up to 131x faster than NumPy on dense numerical workloads. Runs on Windows, macOS, Linux, and in the browser via WebAssembly + WebGPU. Try it instantly with no install and no account. MIT licensed.

OwlCAD is a browser-based parametric CAD editor aimed squarely at 3D printing, giving hobbyists and makers real engineering tools without installing software or buying a professional license. Designs are driven by dimensions you can revisit at any time; edit a number and the part updates. Solids combine cleanly, fit presets (press, slip, loose) account for FDM tolerances, and a print check points out overhangs, walls too thin to print and open meshes before anything reaches your slicer. Hollowing, lay-flat orientation and print weight and cost estimates help you prepare the part itself. The toolset covers constrained 2D sketches, fillets and chamfers on individual edges, sweeps, lofts, patterns, datum planes, measurement, and assemblies with mates, an exploded view and a parts list. More than 30 generators build gears, threads, enclosures, hinges and Gridfinity storage. Bring in STEP, STL, 3MF, OBJ or OpenSCAD files; send out STEP, STL, 3MF, OBJ, GLB, DXF or SVG. Your work autosaves locally and syncs to cloud projects with version history and share links. You can also publish a customizable model that others adjust and download. Whatever you design is yours to sell, prints and files alike, on every plan. The editor is free. A Pro subscription adds AI that drafts either an editable parametric model or a sculpted mesh from a prompt, AI-assisted edits, and an MCP server so agents such as Claude Code or Cursor can model on your account. Pro users can bring their own provider key and skip credits. A desktop app is available too. Open it and start designing; signing up is optional.

ProtoFlow is an advanced electronic design automation (EDA) tool specifically designed for schematic capture and PCB design, utilizing AI technology. It allows users to describe circuits in straightforward language, which generates an editable initial draft, enabling the search for actual electronic components and their footprints, along with datasheet inspections to ensure accuracy. Users can tidy up wiring and seamlessly continue working in familiar schematic and board editors. The tool includes features such as ERC/DRC reviews, 3D board visualization, Git-backed version control with visual diffs, collaborative comments, and outputs for manufacturing, which encompass Gerber files, drill files, BOMs, and placement files. Importantly, designs are maintained as editable geometries, and it is crucial for users to double-check symbols, footprints, connections, and manufacturing details prior to production. Additionally, ProtoFlow has the capability to read and write native KiCad files, allowing for easy integration into existing EDA processes. A free plan is accessible without the need for a credit card, while paid plans offer enhanced AI capabilities. This tool is tailored for hardware engineers, makers, students, educators, researchers, and startups in the electronics sector, making it a versatile choice for various users in the field. Furthermore, its intuitive interface and collaborative features make it an ideal option for teams working on electronic projects.

Vizbase is an AI rendering platform for architects, interior designers, and design studios. Users can upload views from popular design software like SketchUp, Revit, Rhino, or Blender, as well as hand sketches. The platform intelligently identifies elements such as walls, floors, joinery, furniture, and fixtures within the uploaded scene, allowing users to specify materials for each component through straightforward language, reference photos, or a diverse library boasting over 2,000 materials. After processing, it generates a photorealistic render that aligns with the user's design vision. There are four distinct rendering modes available, including Gen 2.0, which is closest to the original image, and Gen 4.0, which enhances the scene with realistic lighting and materials. Additionally, the Refine mode allows adjustments to specific areas of a completed render, while the Multiview feature carries an approved look across various camera angles, with export options supporting resolutions up to 8K. The platform includes a native SketchUp plugin compatible with SketchUp 2021+ on both Windows and macOS, enabling direct rendering from the model itself. Operating entirely in the browser means there's no need for additional render engines or GPUs, and users enjoy full commercial rights to the rendered images. A free plan is available, offering 5 credits (up to 10 renders) without requiring a credit card, making it accessible for those looking to explore its capabilities.

3DGEN offers a collection of parametric generators that operate solely within your web browser, enabling users to transform concepts into 3D models that are ready for printing without the need for CAD software. You can upload an STL file to create a two-part box mold, a reusable silicone mold box, or a plaster slip-casting mold; alternatively, you can begin with an image, text, or photograph to produce a variety of items such as cookie and clay cutters, stamps, texture rollers, nameplates, keychains, lithophanes, suncatchers, and even molds for vases and planters, alongside casting trays and pet bowls with their stands. Each generator features a real-time 3D preview along with adjustable sliders for dimensions, wall thickness, and intricate details, allowing for exports in STL or 3MF formats that are ready for slicing. All file processing occurs locally within the browser, ensuring that no data is sent to external servers. The platform operates on a freemium model where the free tier accommodates personal use, while the Pro version provides benefits like unlimited downloads, a commercial license, and the option to feature your own logo instead of the 3DGEN branding, making it suitable for both hobbyists and professionals. This versatility ensures that creative individuals can explore an array of 3D printing possibilities with ease.

Tutelia is an online application designed for creating precise 2D floor plans and visualizing them in a 3D environment. Users have the ability to construct walls by inputting measurements or by tracing plans from JPG, PNG, or SVG files, and can further enhance their designs by incorporating rooms, doors, windows, furniture, lighting, flooring, wall finishes, balconies, gardens, pools, staircases, multiple floors, and basements. The layout can be examined from various perspectives, including top-down views, sectional views, or immersive first-person walkthroughs, with options to simulate both daytime and nighttime lighting. Additionally, users can easily share their projects via a browser link, allowing others to view the plan and experience the 3D walkthrough without needing to download an application or create an account. There is also functionality for exporting a scaled A4 PDF or image along with a detailed floor-area report. Tutelia is particularly useful for property professionals, interior designers, renovation companies, retail and office space planners, as well as homeowners who require a clear visualization of a space or wish to effectively communicate a proposed layout to others. Overall, it serves as a versatile tool for anyone looking to design and share impactful spaces.

PartGrid is an online platform designed for manufacturers, OEMs, distributors, dealer networks, and aftermarket e-commerce teams to manage spare parts catalogs. It transforms technical drawings, exploded-view diagrams, PDFs, and organized parts lists into interactive catalogs that are easily searchable. Utilizing AI-assisted detection, it effectively connects diagram callouts to corresponding part records, while providing tools for reviewing and correcting any discrepancies. Teams have the capability to categorize and collect parts, as well as manage pricing and replacements, allowing them to create branded catalogs that can be embedded in various websites or portals. The platform's customer-facing viewer facilitates visual part lookup and integrates seamlessly with quote or cart workflows for purchasing. Additionally, features such as catalog localization, support for multiple currencies, dealer access, and well-documented integrations ensure the platform can be tailored to fit seamlessly within existing service and commerce frameworks, enhancing overall operational efficiency. By streamlining the spare parts management process, PartGrid empowers teams to deliver a more cohesive experience to their clients.

CADProps serves as an online CAD viewer and measurement platform designed for engineers, manufacturing personnel, designers, and others who need to examine parts without the necessity of installing traditional desktop CAD applications. It is capable of opening various supported file formats, including STEP, IGES, STL, OBJ, 3MF, and DWG/DXF, as well as certain native CAD files, with functionalities that depend on the specific format and geometry involved. Users have the ability to scrutinize assemblies, measure dimensions and geometrical features, calculate surface area and volume, and estimate mass by selecting a material density. Additionally, users can compare different models, process multiple files in batches, and export relevant property data. While basic viewing and measuring functions do not require an account, signing in is necessary for converting files, saving them across devices, and generating shareable links. The platform also accommodates temporary guest access and enables collaborative model reviews, enhancing the overall user experience. Overall, CADProps provides a versatile solution for users seeking efficient ways to interact with CAD files online.

FPVtune is an online tool designed for Betaflight tuning and analyzing flight logs, specifically tailored for FPV drone enthusiasts. By uploading their Betaflight blackbox flight logs along with a CLI configuration dump, users can receive an in-depth analysis of gyro noise, resonance, step response, and motor performance, ultimately resulting in optimized PID, filter, and feedforward settings presented as Betaflight CLI commands. This tool is compatible with Betaflight versions 4.5 and above. In addition to tuning, FPVtune offers features for examining crash logs to identify potential issues such as ESC desynchronization, power loss, failsafe incidents, gyro overflow, and mechanical defects, as well as analyzing motor performance factors like imbalance, vibration, and saturation. Furthermore, users can utilize a flight-time calculator to estimate their drone's flight duration based on battery capacity and current consumption. This product is particularly beneficial for pilots seeking assistance in understanding their flight data and implementing tuning adjustments effectively within the Betaflight Configurator. Ultimately, FPVtune aims to enhance the overall flying experience by providing valuable insights and recommendations tailored to each pilot's specific needs.

Nasjicad is a browser-based and desktop software application designed for 2D computer-aided design (CAD), enabling users to create and modify technical drawings on Windows, macOS, and Linux platforms. The application includes a variety of tools such as lines, polylines, arcs, circles, splines, hatches, dimensions, text, layers, snapping features, and blocks, along with capabilities for editing and plotting. Users can open and save files in DWG and DXF formats, and it also provides functionalities for converting drawings into PDFs and images. With optional AI features, the application can autonomously generate or modify editable 2D geometry, trace images and PDF documents, create takeoff tables, enforce office standards, and prepare complete sheet sets. It is well-suited for various drafting tasks including floor plans, cross-sections, and mechanical details. While manual drafting is offered for free without requiring an account, the AI features and comprehensive drawing services are available through monthly subscriptions, credits, or a limited free monthly quota. This flexibility allows users to choose the level of service that best fits their needs, enhancing their overall design experience.

fabPlane offers a desktop electronic design automation (EDA) environment designed for the creation and modification of printed circuit boards utilizing an AI assistant. It integrates seamlessly with KiCad, allowing users to directly access and work on existing .kicad_pro project files without the need for any importing or conversion processes. Designers are able to articulate the intended functionality of a board, outline connections, or reference other designs, employing typed tools to assess each suggested modification as a diff prior to making a decision on its acceptance or rejection. Once changes are approved, fabPlane proceeds to execute autorouting and perform design-rule verifications. The streamlined workflow encompasses checks for manufacturing, generation of output files, compilation of bills of materials, and shopping carts tailored for compatible fabrication services and component suppliers. Additionally, fabPlane is offered as a free download and is available for desktop platforms including macOS, Windows, and Linux. This tool is particularly beneficial for electronics and PCB designers, KiCad users, teams working on hardware projects, and those engaged in open-hardware initiatives, thereby catering to a wide range of professionals in the field.

ZapSketch is an online tool designed specifically for electricians, electrical contractors, and estimators to facilitate the planning of electrical home runs. It allows users to import floor-plan PDFs, draw walls on a blank canvas, or start from a quick sketch, enabling them to place panels, junction boxes, and devices while routing circuits and raceways efficiently. As users modify their layouts, the application automatically measures run lengths and offers insights on preliminary conductor sizing, ampacity, voltage drop, and conduit fill based on the NEC 2023 standards. Users can also access circuit schedules and export their marked-up plan PDFs along with raceway pull schedules for purposes such as estimating, review, and transitioning to the field; however, some export options and unmarked reports necessitate a Pro subscription. Additionally, there are free standalone calculators available for voltage drop, wire sizing, and conduit fill. While ZapSketch serves as a valuable preliminary planning tool, it is essential to note that it should not replace thorough code reviews, engineering judgment, or the verification of actual project conditions. This tool enhances workflow efficiency and supports better project management for electrical professionals.

ProWave serves as a Windows desktop tool designed for the examination and analysis of COMTRADE fault and disturbance records sourced from protection relays and digital fault recorders. It is capable of interpreting IEEE C37.111 records from both 1999 and 2013 in ASCII and binary formats, enabling engineers to access records from a variety of relay manufacturers within a single interface. The application allows users to open multiple records in different tabs, synchronize channels and timing, and monitor analog current, analog voltage, and digital signals through distinct plotting panels. Markers T0, T1, and T2 provide a clear indication of waveform positions as well as signal values. Additionally, phasor and harmonic views offer insights into RMS, total harmonic distortion, and phase angle measurements corresponding to cursor locations. A dedicated file browser facilitates filtering for COMTRADE configuration files, enhancing user experience. While the free edition caters to individual users, a separately licensed OEM/enterprise version is available for companies, enabling broader deployment or commercial redistribution. ProWave necessitates a system running Windows 11 or newer, with a minimum RAM requirement of 16 GB to function effectively, ensuring optimal performance. This comprehensive set of features makes ProWave an invaluable resource for professionals in the field.

NestMaxx is an innovative online tool designed for 2D true-shape nesting, specifically tailored for optimizing parts destined for laser, plasma, waterjet, and CNC router cutting. This application efficiently organizes parts on one or multiple sheets by utilizing their outlines, and it accommodates part-in-part arrangements, rotation options, and grain direction controls, while also allowing users to specify quantities, priorities, and arrays for their projects. Users can import parts through DXF or SVG formats, utilize a built-in drafting editor for custom design, or choose from an extensive library featuring over 40 parametric shapes. Additionally, NestMaxx enables customization of sheet dimensions and spacing, offers manual layout adjustments, and allows exporting of each sheet as DXF or SVG files for seamless integration with various CAD/CAM or machine software. This browser-based platform operates directly on the user's device, providing a free and accessible experience without requiring any account setup or installation. It is particularly beneficial for fabricators and workshops that specialize in working with sheet metal, wood panels, and other flat materials, streamlining their cutting preparation process. With its user-friendly interface and versatile functionality, NestMaxx stands out as a valuable resource in the manufacturing sector.

IrriPlanner is a web-based application designed for irrigation professionals, landscape architects, and homeowners who need to create irrigation designs. This tool allows users to outline properties accurately by utilizing a satellite image, CamToPlan scans, or imported PDFs, and it enables the placement of sprinkler heads either manually or automatically. The application organizes the heads into distinct irrigation zones while taking into account the measured pressure and flow, and it efficiently maps out the necessary pipework, verifying coverage, pressure, valve limitations, and connections throughout the editing process. Additionally, it generates a comprehensive PDF plan alongside a detailed report, a bill of materials, and a quotation for clients. The product catalog features items from various sprinkler manufacturers, and users have the option to include their own custom products. A free version is available, allowing for up to two projects and PDF exports, while paid tiers offer unlimited project capabilities along with enhanced reporting and quotation functionalities. IrriPlanner is designed to be accessed through a web browser and is particularly optimized for use on desktop computers, making it a versatile choice for irrigation planning. Furthermore, it provides an intuitive interface that streamlines the design process, catering to both novice users and experienced professionals.

Solispec serves as an intuitive web-based tool designed for solar installers, PV designers, homeowners, distributors, and mounting manufacturers, facilitating the complete process of solar design and proposal generation. This platform integrates various functions, including site analysis, structural assessments, and customer proposals into one cohesive system. Users have the capability to design ground-mounted solar arrays and analyze both flat and pitched roofs while evaluating the structural integrity of mounting systems against snow and wind loads. Additionally, the software allows for the configuration of PV strings across MPPT inputs, and it can produce detailed drawings, cutting lists, and bills of materials. It also provides estimations for PV energy production and payback periods, visualizes shade from trees and buildings in 3D, and generates customized proposals that can be exported as PDFs or shared via a link for client acceptance. Users can choose from a range of manufacturer equipment or input their own products and pricing. Homeowners have the option to create preliminary designs, while professionals benefit from project and client management features, with the Business tier offering roles for team members and workflows for engineer reviews. However, it is crucial that all structural outputs undergo evaluation by a qualified professional prior to installation to ensure safety and compliance with regulations. This comprehensive approach not only enhances the efficiency of the design process but also empowers users with the tools necessary for effective project management.

StructSuite is a no-cost, web-based software designed for structural analysis and load calculation specifically aimed at residential and light-frame construction. The tool is capable of designing wood and steel beams as well as columns in accordance with NDS 2024 and AISC 360-22 standards; it also accommodates floor and ceiling joists and rafters, drawing from the 2024 IBC span tables. Additionally, it allows for the creation of wood-frame shear walls that are plotted on the building design in compliance with SDPWS 2021, incorporating Simpson hold-downs and anchors; it also designs isolated and strip footings according to ACI 318-25 and cantilever retaining walls utilizing concrete or CMU stems to meet TMS 402-22 specifications. Furthermore, the software calculates various loads, including dead, live, seismic, and wind loads, in alignment with ASCE 7-22. Throughout the process, users can view equations with substituted project values, alongside a book icon that references the relevant governing code paragraph for transparency. Results can be compiled into a single comprehensive calculation report intended for plan review purposes. The free version encompasses all modules, allows for endless calculations, and includes one cloud project, while the Pro subscription offers unlimited projects, PDF reports, and an online verification link to facilitate plan checking; the subscription options are priced at $100 per month or $1,000 annually, with a one-week Pro access pass available for $50. Users will find that this tool not only enhances efficiency but also simplifies compliance with industry standards, making it an invaluable resource for structural engineers.