Best Free Engineering Software - Page 9
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Compare the Top Free Engineering Software as of November 2026 - Page 9
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1
NVIDIA Isaac Sim
NVIDIA
NVIDIA Isaac Sim is an open source reference robotics simulation application built on NVIDIA Omniverse, enabling developers to design, simulate, test, and train AI-driven robots in physically realistic virtual environments. It is built atop Universal Scene Description (OpenUSD), offering full extensibility so developers can create custom simulators or seamlessly integrate Isaac Sim's capabilities into existing validation pipelines. The platform supports three essential workflows; large-scale synthetic data generation for training foundation models with photorealistic rendering and automatic ground truth labeling; software-in-the-loop testing, which connects actual robot software with simulated hardware to validate control and perception systems; and robot learning through NVIDIA’s Isaac Lab, which accelerates training of behaviors in simulation before real-world deployment. Isaac Sim delivers GPU-accelerated physics (via NVIDIA PhysX) and RTX-enabled sensor simulation.Starting Price: Free -
2
NVIDIA Isaac Lab
NVIDIA
NVIDIA Isaac Lab is a GPU‑accelerated, open source robot learning framework built on top of Isaac Sim, designed to unify and simplify robotics research workflows such as reinforcement learning, imitation learning, and motion planning. It leverages realistic sensor and physics simulation to support accurate training of embodied agents, providing ready‑to‑use environments, spanning manipulators, quadrupeds, and humanoids—with support for 30+ benchmark tasks and integration with popular RL libraries like RL Games, Stable Baselines, RSL RL, and SKRL. Isaac Lab features a modular, configuration‑driven design that enables developers to easily create, modify, and scale learning environments; it also supports collecting demonstrations via peripherals (gamepads, keyboards) and allows custom actuator models to facilitate sim‑to‑real transfer. The framework is built for both local and cloud deployment, accommodating flexible scaling of compute resources.Starting Price: Free -
3
TabLogs
TabLogs
TabLogs is a cloud-based, field-ready boring-log and geotechnical-data software solution designed to streamline the collection, management, and reporting of subsurface investigation information. It enables you to log boreholes on-site to internationally recognized standards, generating finished graphical logs, site plans, and sample registers in seconds, eliminating time-consuming back-office data entry. It supports adaptable boring-log data formats, allows you to query and manage your entire subsurface dataset in one central database, and incorporates features such as direct photo insertion, professional branding, workflow tracking, and self-service dashboards. It is built for both engineers and drillers, enabling large consultancies or government departments to consistently record high-quality data across sites and then provide clients with timely, report-ready deliverables ahead of competitors.Starting Price: $300 per month -
4
Tosi
Tosi
The Tosi Platform is a purpose-built Cyber-Physical Systems platform designed specifically to secure, connect, and control Operational Technology (OT) networks and critical infrastructure. Unlike traditional IT tools adapted for OT, Tosi was engineered from the ground up for industrial environments: it supports native industrial protocols, tolerates extreme temperatures, and requires no complicated configuration. Deployment is rapid, sites can be up and running in under five minutes with a “plug-and-go” setup, allowing organizations to connect distributed infrastructure quickly and securely without specialized IT expertise. It implements a zero-trust security model with enterprise-grade protections: end-to-end 256-bit AES encryption, hardware-based authentication (with RSA keys), no open inbound ports, and ISO/IEC 27001:2022 certification. With Tosi, you get unified, centralized management through a single interface (TosiControl), enabling visual network topology views.Starting Price: Free -
5
Edison Analysis
Edison Scientific
Edison Analysis is a next-generation scientific data-analysis agent built by Edison Scientific. It is the analytical engine underpinning their AI Scientist platform, Kosmos, and it’s available both on Edison’s platform and via API. Edison Analysis performs complex scientific data analysis by iteratively building and updating Jupyter notebooks in a dedicated environment; given a dataset plus a prompt, the agent explores, analyzes, and interprets the data to provide comprehensive insights, reports, and visualizations, very much like a human scientist. It supports execution of Python, R, and Bash code, and includes a full suite of common scientific-analysis packages in a Docker environment. Because all work is done within a notebook, the reasoning is fully transparent and auditable; users can inspect exactly how data was manipulated, which parameters were chosen, how conclusions were drawn, and can download the notebook and associated assets at any time.Starting Price: $50 per month -
6
TagoIO
TagoIO
TagoIO is a full-stack cloud software that lets users turn IoT sensor data into smart solutions without dealing with cloud complexity. It supports connecting and managing devices from more than 500 communication types, including LoRaWAN, NB-IoT, Wi-Fi, satellite, BLE, MQTT, and HTTP, with preconfigured connectors to decode device data into a standard format. It provides scalable device management, secure data storage, real-time visualization, custom analytics, automation, alerts, and multi-tenant access control so users can build dashboards, workflows, and logic in one environment. TagoIO simplifies building and deploying IoT applications with templates, drag-and-drop interfaces, and APIs while handling backend infrastructure, enabling rapid development and deployment. It offers advanced analytics to transform raw data into actionable insights and supports edge computing, mobile access, white-labeling, and integration with external systems.Starting Price: Free -
7
Breathe
Breathe
Breathe Battery Technologies provides a physics-based battery software toolchain that enables engineers and OEMs to design, simulate, validate, and control advanced battery systems with greater speed, accuracy, and performance than traditional empirical workflows. Its suite spans from cell design and simulation software, allowing rapid evaluation of ageing, thermal behavior, SoC/SoH estimators and system-level trade-offs, to embedded adaptive charging firmware that dynamically manages internal electrochemical states to deliver faster charging and longer life without hardware changes. Breathe’s software integrates physics-based modelling and real-time control into the battery development lifecycle so teams can reduce risk, iterate quickly, and make data-driven decisions while lowering cost and increasing flexibility. Breathe’s products are trusted by global brands and partners, including Volvo and OPPO, for applications that improve charging performance, extend cycle life, etc.Starting Price: Free -
8
Smart 145
Smart 145
Smart 145 is a cloud-based, all-in-one ERP and aviation Maintenance, Repair, and Overhaul software platform designed to optimize and simplify the complex daily operations of aviation repair stations, MRO businesses, and parts suppliers by centralizing key functions such as work order management, inventory tracking, purchase and sales orders, repair orders, quotations, dashboards, and reporting in a single intuitive interface so users spend less time on manual processes and more time servicing aircraft; it offers a user-friendly, scalable system with customizable fields, columns, and reports tailored to the unique workflows of different operations, secure data encryption and regular backups via AWS infrastructure, and real-time visibility into maintenance tasks and parts availability to improve operational control and efficiency.Starting Price: Free -
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CableCalc BS7671 18-2
CastlineSystems
CableCalc BS7671 is advanced electrical calculation and design software aligned with the latest BS7671:2018+A2:2022 Requirements for Electrical Installations (IET Wiring Regulations 18th Edition Amendment 2) that helps professionals size cables, evaluate circuits, and design distribution board projects with precision. It supports both single- and three-phase calculations for radial, ring, and sub-main circuits, calculating voltage drop, disconnection time, fault current, earth fault information, overload, short-circuit parameters, and correction factors such as temperature and grouping. It offers comprehensive databases of copper cables and protective devices to streamline selection and includes tools to generate detailed calculation documents, schedules, single-line diagrams, and schematic drawings for jobs ranging from simple circuits to multi-distribution board projects.Starting Price: $177.09 per month -
10
3Dfindit
CADENAS GmbH
3Dfindit is CADENAS’ central visual engineering platform, offering verified digital twins and CAD, CAE and BIM data from thousands of manufacturer catalogs. Users can find components through advanced search methods such as text, filters, 3D shape, sketches and color, and download them in more than 100 native and neutral formats. The PLUGIN 3Dfindit supports numerous CAD and BIM systems and enables direct integration of models into existing workflows. For manufacturers, eCATALOG 3Dfindit provides digital product catalog solutions, while ENTERPRISE 3Dfindit offers extended search capabilities for companies within their CAD, PLM or ERP environments.Starting Price: 0 -
11
D5 Lite
D5
D5 Lite is a free, AI-native, real-time visualization plugin developed by D5, specifically designed to integrate directly into 3D modeling software, primarily SketchUp (versions 2021–2026). It serves as an early-stage design tool that bridges the gap between raw, "white-box" massing models and high-quality, rendered visual concepts without requiring users to leave their modeling workspace. It is part of the "D5 All-in-One Workflow," which includes D5 Render and D5 Works.Starting Price: $38/month -
12
NeuralWing
Emmi AI
NeuralWing is a real-time neural simulation and design optimization model for transonic aircraft aerodynamics. It is built around the largest 3D transonic wing dataset, created from 30,000 steady-state CFD simulations of a 3D wing in the transonic regime, with variations across four geometry parameters and two inflow conditions. Using Emmi’s AB-UPT surrogate model trained on this data, NeuralWing enables users to modify wing geometry, test optimizations, and maximize aerodynamic efficiency in seconds. The model supports transonic 3D wing simulation, geometry and inflow variations, real-time inference, and design-parameter optimization. Its inputs include a geometry mesh in STL format, speed, and angle of attack, while its outputs include pressure, friction, velocity fields, and integral forces such as lift and drag. Geometry meshes are created in real time from four design parameters in a differentiable manner, allowing fast exploration of design changes.Starting Price: Free -
13
NeuralMould
Emmi AI
NeuralMould is Emmi AI’s Large Engineering Model for injection molding, described as a new gold standard in AI for engineering: any geometry, any material, any injection gates, one model. It lets users select from a range of geometries and test injection, material, and gate placement parameters to simulate filling behavior in seconds, rapidly compare multiple scenarios, optimize process KPIs, and avoid frozen flow fronts. Injection molding simulation is highly complex because it involves multi-physics calculations that model transient flow of viscous plastic through thin-walled geometries under extreme temperature and pressure conditions. NeuralMould captures these phenomena across a wide range of injecting conditions and mold geometries, achieving performance comparable to traditional solvers with a fraction of the computation time. The model supports multi-material scenarios, fast prototyping, multi-gate configurations, and multiple process parameters.Starting Price: Free -
14
Orca Slicer
Orca Slicer
Orca Slicer is a free, open source 3D printing slicer for FFF and FDM 3D printers, designed to turn 3D models into precise G-code with advanced calibration tools, intelligent print controls, and a user-friendly workflow. It gives makers a complete environment for preparing, tuning, previewing, and optimizing prints, with support for Windows, macOS, and Linux. Orca Slicer includes a comprehensive calibration suite for temperature towers, flow rate tuning, pressure advance, retraction tests, tolerance testing, maximum flow rate testing, and vertical fine artifact calibration, helping users fine-tune printers and filaments for better print quality. The slicer also offers precise wall and seam control, including outer wall spacing adjustments and scarf seams to improve accuracy and surface finish. It includes features for sandwich mode, polyholes, multi-plate workflows, printer setup, slicing settings, and detailed model preparation, giving users more control over how parts are printed.Starting Price: Free -
15
LIGGGHTS
CFDEM
LIGGGHTS is an open source Discrete Element Method particle simulation tool for modeling particulate materials, with a focus on industrial granular and granular heat-transfer simulations. LIGGGHTS stands for “LAMMPS improved for general granular and granular heat transfer simulations,” and it builds on the LAMMPS molecular dynamics platform to extend DEM capabilities toward practical industrial applications. It can be used to simulate systems where material behavior emerges from the motion, collision, friction, cohesion, heat transfer, and interaction of individual particles. It is suitable for analyzing powders, grains, bulk solids, particulate flows, packed beds, conveying systems, mixing processes, hopper discharge, material handling, and other granular systems where particle-scale behavior matters. LIGGGHTS is currently used by research institutions and companies worldwide for the simulation of particulate materials, especially where open source flexibility.Starting Price: Free -
16
LAMMPS
LAMMPS
LAMMPS, the Large-scale Atomic/Molecular Massively Parallel Simulator, is a classical molecular dynamics code with a focus on materials modeling. It models ensembles of particles in liquid, solid, or gaseous states and can simulate atomic, polymeric, biological, solid-state, granular, coarse-grained, mesoscopic, or macroscopic systems using many interatomic potentials, force fields, and boundary conditions. LAMMPS can model systems in two or three dimensions, from only a few particles up to billions, and is designed to run efficiently on parallel computers while remaining easy to extend and modify. It includes potentials for solid-state materials such as metals and semiconductors, soft matter such as biomolecules and polymers, and coarse-grained or mesoscopic systems. It can be used to model atoms or, more generally, as a parallel particle simulator at atomic, meso, or continuum scale.Starting Price: Free -
17
Yade
Yade
Yade is an extensible open source framework for discrete numerical models, focused on the Discrete Element Method. Its computation parts are written in C++ using a flexible object model that allows independent implementation of new algorithms and interfaces, while Python is used for rapid and concise scene construction, simulation control, postprocessing, and debugging. Yade is designed for researchers and engineers who need to create, run, inspect, modify, and extend particle-based simulations through scripts, interactive commands, graphical tools, and reusable simulation components. Simulations can be built from specialized generators or constructed directly with Python scripts, giving users flexibility for developing custom models, importing geometries, reusing code, and controlling the full simulation loop. It represents each simulation as a scene containing bodies, interactions, and resultant forces, with bodies defined by geometry, material properties, state variables, etc.Starting Price: Free -
18
MercuryDPM
MercuryDPM
MercuryDPM is an open source code for discrete particle simulations, designed to simulate the motion of particles or atoms by applying forces and torques from external body forces, such as gravity or magnetic fields, and from particle interaction laws. For granular particles, these forces are typically contact forces, including elastic, plastic, viscous, and frictional interactions, while molecular simulations can use interaction potentials such as Lennard-Jones. MercuryDPM is written as a versatile, object-oriented C++ code and is built to be understandable, flexible, and extensible for researchers and engineers who need to create new simulation models. It is developed extensively for granular applications, while remaining adaptable to other particle-based systems and long-range interactions. Its documentation guides users through installation, running simulations, visualization, analysis, and creating new MercuryDPM codes to model systems of their choice.Starting Price: Free -
19
MFiX
National Energy Technology Laboratory
MFiX, or Multiphase Flow with Interphase eXchanges, is an open source multiphase flow solver and NETL’s flagship suite of computational fluid dynamics tool for modeling reacting multiphase flows. It has become a standard for comparing, implementing, and evaluating multiphase flow constitutive models, and has been applied to a diverse range of multiphase flow devices and industrial systems. MFiX provides multiple modeling approaches, including a Two-Fluid Model, Discrete Element Model, Coarse-Grained Particle DEM, Superquadric Particle DEM, Glued-Sphere Particle DEM, Particle-in-Cell model, hybrid methods, and a single-phase solver for pure granular flows. These models can be used to simulate gasifiers, circulating fluidized bed combustors, fluidized beds, fluid catalytic crackers, chemical looping combustion systems, and other particle-fluid systems involving hydrodynamics, heat transfer, species transport, and chemical reactions.Starting Price: Free -
20
GROMACS
GROMACS
GROMACS is a free and open source suite for high-performance molecular dynamics and output analysis. It is a versatile package for simulating the Newtonian equations of motion for systems with hundreds to millions of particles, with a strong focus on materials modeling, biomolecular simulation, and particle-based systems. GROMACS is primarily designed for biochemical molecules such as proteins, lipids, and nucleic acids, which involve many complicated bonded interactions, but its speed in calculating nonbonded interactions also makes it useful for non-biological systems such as polymers and other materials. It can model ensembles of particles in liquid, solid, or gaseous states and supports a wide range of molecular dynamics workflows, from basic energy minimization and equilibration to production simulations and detailed trajectory analysis.Starting Price: Free -
21
NAMD
Theoretical and Computational Biophysics Group
NAMD is a parallel molecular dynamics code designed for high-performance simulation of large biomolecular systems. Based on Charm++ parallel objects, it scales from desktop and laptop computers to high-end parallel platforms, hundreds of cores for typical simulations, and beyond 500,000 cores for the largest simulations. NAMD is built for researchers who need to simulate large molecular systems efficiently while preserving compatibility with widely used molecular modeling workflows. It uses the popular molecular graphics program VMD for simulation setup and trajectory analysis, and it is file-compatible with AMBER, CHARMM, and X-PLOR. It is designed to support biomolecular simulations involving proteins, membranes, nucleic acids, solvents, ions, and other molecular systems where atomic interactions and time-dependent motion need to be studied in detail.Starting Price: Free -
22
ESPResSo
ESPResSo
ESPResSo, the Extensible Simulation Package for Research on Soft Matter, is a highly versatile open source simulation package for performing and analyzing scientific molecular dynamics and Monte Carlo many-particle simulations. It is designed as a universal tool for simulating a variety of soft matter systems, especially coarse-grained atomistic or bead-spring models used in physics, chemistry, molecular biology, and process engineering. ESPResSo can be used to simulate polymers, liquid crystals, colloids, polyelectrolytes, ferrofluids, gels, biological systems, DNA, lipid membranes, bacterial motion, and super-capacitors. In coarse-grained models, a group of atoms or molecules is treated as a single bead, allowing researchers to investigate larger time and length scales than would be practical with fully atomistic simulations. ESPResSo supports classical molecular dynamics simulations in different statistical ensembles.Starting Price: Free -
23
Rendervi
Rendervi
Rendervi is an AI render studio made by architects for architects, built to create consistent renders at the speed of AI. It is designed for architecture and visualization teams that care about quality, speed, and control, helping them enhance architectural renders, change materials, or push a model preview toward photorealism without losing the original design intent. Rendervi turns architectural previews into precise, client-ready renders with ready-to-use workflows for render mode, concept mode, photo-realism mode, material edit, material study, and upscaling. Teams can move from a sketch, wireframe, layout direction, SketchUp export, Revit preview, or raw CAD/BIM model view into a strong visual starting point much faster than a traditional visualization pipeline. It supports controlled edits for daylight, finishes, styling direction, environment, details, and materials while preserving layout, composition, geometry, and the core design logic.Starting Price: $12.99 per month -
24
Relay Tripping Curves PRO2
PROTELECTSA
Relay Tripping Curves PRO2 (RTC2) is Windows desktop software built by protection engineers, for protection engineers. It plots trip curves for relays, circuit breakers, and transformers on a log-log plot, verifies selectivity between devices, and generates the complete technical report that real engineering work demands. Field test sets measure, but they don't relate the reading back to the primary system, plot the curve, or leave evidence that a setting actually coordinates. RTC2 solves that. Features: 7 relay brands, each mirroring the manufacturer's real display and native nomenclature, 10 circuit breaker trip units with L/S/I/G zones, Transformer damage curve per ANSI/IEEE C57.109-2018, inrush and short-circuit current, ΔT selectivity calculation between devices, PDF reports with primary-equivalent current, curve equation, plot, and signatures, Fully bilingual (English/Spanish), 100% offline Free DEMO with no time limit. Paid editions (perpetual license, one-time payment)Starting Price: Free demo -
25
Fire Dynamics Simulator (FDS) is a free, open source tools for modeling and visualizing fire-driven flows. FDS is a computational fluid dynamics code that numerically solves a form of the Navier–Stokes equations for low-speed, thermally driven flow, with particular emphasis on smoke and heat transport from fires. It uses large-eddy simulation to represent complex fire-plume dynamics and can be applied to scenarios involving fire, wind, sprinklers, ventilation, geometry, materials, and other conditions that influence fire behavior. Users define a scenario through text-based input files, run the calculation with FDS, and analyze the resulting data. It displays output from FDS and CFAST simulations using OpenGL-based 3D graphics and scientific visualization methods, including animated smoke and tracer particles, two- and three-dimensional shaded contours, iso-surfaces, temperature fields, and flow vectors showing direction and magnitude.Starting Price: Free
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26
CircuitSim
CircuitSim
CircuitSim is a full SPICE circuit simulator with a 3,000+ component library and a modern schematic editor. No install, free to get started. Built for students, educators, and professionals. It runs in a browser tab and needs no admin rights, so it works on Chromebooks and locked-down school laptops. Run seven kinds of analysis: interactive, interactive operating point, transient, AC sweep, DC operating point, DC sweep, and parameter sweep. Results plot on oscilloscope-style charts, with probes you can drop anywhere in the circuit. Define custom parts from SPICE model text or import KiCad symbols. CircuitSim also imports Multisim Live designs ahead of that product's retirement on September 15, 2026. It is the only browser tool that opens .csim, .ms14, and .msjs files, and it rebuilds the schematic with wiring, placement, net labels, probes, and simulation settings intact. Classroom licensing adds seat assignment, anonymous student seats, and private student work.Starting Price: $2.99 -
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eFieldData
eFieldData
eFieldData is a complete electronic field data management system and cloud-based automated workflow platform built for construction materials testing, geotechnical engineering, and field inspection operations. It connects scheduling, work orders, mobile field data collection, laboratory testing, reporting, timesheets, invoicing, and client communication in one centralized workflow. Field technicians can use the iOS or Android mobile app to access project details, record asphalt, concrete, soil, and other test results, attach site photos, GPS-tag locations, and sync information in real time. Standardized electronic forms include preset calculations and support ASTM, AASHTO, and state DOT requirements, while automated validation helps reduce data-entry errors and improve consistency. Field samples flow directly into lab management, where technicians can track samples, complete testing, use predefined calculations, and generate reports without duplicate entry or manual matching.Starting Price: Free -
28
ForneyVault
ForneyVault
ForneyVault is construction materials testing software designed to automate concrete QA/QC workflows from field testing through lab strength testing and office reporting. It integrates testing machines, third-party software, and project systems to eliminate manual errors, increase productivity, and produce reliable, traceable results. ForneyField is a mobile app that captures and syncs sample data and wet concrete properties, while ForneyLink provides a testing-machine interface that helps technicians work faster with minimal human error. ForneyTools gives users a central interface to manage sample data, projects, and report approval workflows. With the platform at the center of the testing environment, teams can eliminate manual specimen identification, testing steps, and data handoffs. Test results flow directly from the machine to the database and LIMS without being altered, reducing potential human failure points and supporting accurate results.Starting Price: $120 per month -
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Noodle Biomedical Literature Discovery
Helena Bioinformatics
Noodle is Helena Bioinformatics' free biomedical literature discovery platform for researchers, clinicians reviewing literature, and research software developers. Search by topic or publication identifier, inspect PMID, DOI and PMCID records, discover related papers, and explore citation links and semantic literature neighbourhoods in an interactive research trail. Source-linked publication records help users follow evidence back to the original research. A public, read-only MCP interface also makes these discovery functions available to compatible AI agents without authentication. Noodle is intended for research and literature review. Semantic similarity and graph proximity are discovery signals, not proof of causality or clinical recommendations. Research resource identifier: RRID:SCR_028920.Starting Price: Free -
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Powerlily
Powerlily
Powerlily is a solar operating system that brings design, proposals, CRM, permitting, field operations, invoicing, and fleet monitoring into one connected platform. It carries a customer from first contact through design, sale, installation, and long-term service without rebuilding the same project across separate tools. Teams can capture and qualify leads, preserve attribution, manage solar-native pipelines, and automate follow-up based on real events. Live 3D design supports roof, ground, carport, and commercial arrays with stringing, setbacks, shading, and 8,760-hour per-panel production simulation, while battery analysis connects usage, tariffs, incentives, and financing to hour-by-hour storage behavior and long-term value. Powerlily can generate editable single-line diagrams, coordinated permit-ready plan sets, branded proposals, e-signatures, invoices, and field schedules from the same project record.Starting Price: $20.83 per month
