Browse free open source CAD software and projects below. Use the toggles on the left to filter open source CAD software by OS, license, language, programming language, and project status.

  • Gen AI apps are built with MongoDB Atlas Icon
    Gen AI apps are built with MongoDB Atlas

    The database for AI-powered applications.

    MongoDB Atlas is the developer-friendly database used to build, scale, and run gen AI and LLM-powered apps—without needing a separate vector database. Atlas offers built-in vector search, global availability across 115+ regions, and flexible document modeling. Start building AI apps faster, all in one place.
    Start Free
  • The All-in-One Commerce Platform for Businesses - Shopify Icon
    The All-in-One Commerce Platform for Businesses - Shopify

    Shopify offers plans for anyone that wants to sell products online and build an ecommerce store, small to mid-sized businesses as well as enterprise

    Shopify is a leading all-in-one commerce platform that enables businesses to start, build, and grow their online and physical stores. It offers tools to create customized websites, manage inventory, process payments, and sell across multiple channels including online, in-person, wholesale, and global markets. The platform includes integrated marketing tools, analytics, and customer engagement features to help merchants reach and retain customers. Shopify supports thousands of third-party apps and offers developer-friendly APIs for custom solutions. With world-class checkout technology, Shopify powers over 150 million high-intent shoppers worldwide. Its reliable, scalable infrastructure ensures fast performance and seamless operations at any business size.
    Learn More
  • 1
    This small program can help you to calculate optimal cut of rectangular details. It can be used to design cutting out of wood, glass, steel and other material.
    Leader badge
    Downloads: 26 This Week
    Last Update:
    See Project
  • 2
    ThanCad is a 2dimensional cad, with limited 3d support and raster inclusion capability and emphasis in engineering. It is being written in Python and since it uses the Tkinter library, it is platform independent.
    Leader badge
    Downloads: 18 This Week
    Last Update:
    See Project
  • 3

    ZCAD

    Simple CAD program

    Project moved to https://github.com/zamtmn/zcad
    Downloads: 9 This Week
    Last Update:
    See Project
  • 4
    Libre Mechanics

    Libre Mechanics

    Open Knowledge on engineering development.

    Libre Mechanics it’s an Open Knowledge project created to offer a useful platform of information related with the development and research of Mechanical Engineering themes and similar fields, higly related with the use of Open Source and Software Libre tools. Here you will find a wide variety of projects, publications and scientific material available as references for developing their own projects, also guides and tutorials that allow you to take advantage of free software tools available today. The four principal lines of work are: Design Analysis and Simulation Automation and Robotics Development
    Leader badge
    Downloads: 14 This Week
    Last Update:
    See Project
  • Simple, Secure Domain Registration Icon
    Simple, Secure Domain Registration

    Get your domain at wholesale price. Cloudflare offers simple, secure registration with no markups, plus free DNS, CDN, and SSL integration.

    Register or renew your domain and pay only what we pay. No markups, hidden fees, or surprise add-ons. Choose from over 400 TLDs (.com, .ai, .dev). Every domain is integrated with Cloudflare's industry-leading DNS, CDN, and free SSL to make your site faster and more secure. Simple, secure, at-cost domain registration.
    Sign up for free
  • 5
    pyGear

    pyGear

    Precise gear geometry generator for spur and helical gears

    A python gear generator that serves as CAE/CAD-preprocessor for involute gears based on pythonOCC. It allows for the computation of dynamic properties and the creation of exact geometries from a minimal input set. PyGear can simulate the tool geometry and kinematics of standard gear hobbing tools to generate precise flank, tooth root and tip geometries.
    Downloads: 8 This Week
    Last Update:
    See Project
  • 6
    CNC code generator is a software to generate CNC codes (G & M codes) for maching operations like milling, drilling. At present CNC code generator is limited for end milling. we working on other machining operations like turning, drilling etc.
    Downloads: 6 This Week
    Last Update:
    See Project
  • 7
    A Simple 2D CAD/CAM application (currently Windows-only) Cuts simple shapes (pockets, mostly) and simplified gears. It has a geometry mode that allows geometry defined by lines and arcs. It also generates geometry from any OpenType-style font!
    Downloads: 6 This Week
    Last Update:
    See Project
  • 8
    MaxFEM

    MaxFEM

    Software for electromagnetic simulation

    MaxFem is an open software package for electromagnetic simulation by using finite element methods. The package can solve problems in electrostatics, direct current, magnetostatics and eddy-currents. Since version 0.4.0, MaxFEM requires Python 3. We have moved the installers to the MaxFEM website (see below). In order to improve MaxFEM, we will require you to fill out a simple form before downloading them.
    Downloads: 3 This Week
    Last Update:
    See Project
  • 9
    IMEP-Spice interface
    The developed graphical interface is based on the SKILL language which is a Lisp dialect used as a scripting language and PCell (Parameterized Cells) description language used in many EDA software suites by Cadence Design Systems.
    Downloads: 2 This Week
    Last Update:
    See Project
  • Connect every part of your business to one bank account Icon
    Connect every part of your business to one bank account

    North One is a business banking app that integrates cash flow, payments, and budgeting to turn your North One Account into one Connected Bank Account

    North One is proudly built for small businesses, startups and freelancers across America. Make payments easily, keep tabs on your money and put your finances on autopilot through smart integrations with the tools you’re already using. North One was built to make managing money easy so you can focus on running your business. No more branches. No more lines. No more paperwork. Get complete access to your North One Account from your phone or computer, wherever your business takes you. Create Envelopes for taxes, payroll, rent, and anything else automatically.
    Get started for free.
  • 10
    SAMoCAD

    SAMoCAD

    Simple CAD program

    SAMoCAD - its program to create simple drawings, partially supports DXF. Main features: - create simple objects (line, arc, circle) - create complex objects (text, dimensions) - edit drawn objects - save drawing to SVG format - output drawing in PostScript format - export/import content DXF files (primitives LINE, CIRCLE, ARC, TEXT, DIMENSION) Program written in Python 2 and use the library Tkinter. Program requires no installation, but you need install Python 2.7 or later on your PC. Run file SAMoCAD.pyw to run the program. Its very old version of program!!! For more information see
    Downloads: 2 This Week
    Last Update:
    See Project
  • 11
    GGGears
    This application is intended to be a tool for easy, almost automatic, creation and calculation of gear transmission finite element models. It consists of a geometry and mesh generator based on GMSH and a finite element model based on GETFEM++.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 12
    LineColorPaint
    LineColorPaint - Xlib 2D drawing engine. CAD.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 13
    Computational implementation of 3D shape grammar for AutoCAD. For creation and use of shape grammars, with canonical shape representation, instance matching with shape emergence, full grammar rules derivation.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 14
    Application File Bucket

    Application File Bucket

    Small application to open multiple file with a pre-processor

    This application is to open multiple files in one pre-processor using a single click.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 15
    Autodesk Autocad Dxf FileFormat reading library in C# .NET.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 16
    Buildes

    Buildes

    A designer’s program for describing parts of the building

    Buildes is an integrated development environment that assists the user in creating building information. It reads a text (session) file from which it compiles the information. It then allows the user to browse, analyze and export the resulting building knowledge. The compilation system is written in pure Python. The building components created are rendered in PythonOCC. The GUI is written using PyQt.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 17
    Dedalo

    Dedalo

    dedalo is a 2d cad drawing software written in python3.

    dedalo is a 2d cad drawing software written in python3. It is licensed under the GPLv3. Dedalo features: layers, snaps (endpoint, intersection, midpoint), line, polyline, rectangle, delete, polygon, rectangle, arc, circle, points, text, spline, freehand drawing. Move, scale, rotate, offset, cut, extend, hatch, dimension, copy. English, italian languages SVG read-write. Not all features all fully supported. For more information a user manual is provided(pdf format, italian).
    Downloads: 0 This Week
    Last Update:
    See Project
  • 18
    EuroNCAP Points Calculator

    EuroNCAP Points Calculator

    EuroNCAP Grid Point Calculator

    Euro NCAP Calculator is a GUI based tool, developed in Qt-Open source, to calculate EuroNCAP point performance using test or CAE Simulation results in csv format. Using this tool, NCAP performace for every loadcases can be calculated using X simple steps. This tool can currently takes care of Euro NCAP 7.0 protocol fully and partially the Euro NCAP 5.0 protocol.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 19

    GDSread

    GDSread reads and converts Calma GDS stream files .

    GDSread is a simple command line utility written in Free Pascal. GDSread can read and convert a Calma GDS stream file and output an ASCII formatted list file and a new GDS file with updated timestamp. If specified - it can modify the output GDS database by scaling it and/or replace cell names. Check out readme.rtf.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 20
    GeomSS
    GeomSS is a geometry modeling and scripting system in Java. Write scripts that create and analyze complex geometry including NURBS curves and surfaces. This is especially useful for tasks that must be repeated with small or parametric variations.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 21

    I159269S

    Use of iso15926 part 9 in an sample engineering workflow.

    Downloads: 0 This Week
    Last Update:
    See Project
  • 22
    KinectCAD

    KinectCAD

    Gesture based movement with CATIA

    This project provides a gesture based movement of part objects in the CAD-system CATIA. It is possible to rotate, move or zoom in or out. Further there is a rudimentary speech recognition to change the rotating axes or to do some other helpful things. KinectCAD has been written in Visual C# 2010. The package includes the source code and binaries files. To start KinectCAD it is necessary to have a correct installed Microsoft Kinect. Also it is helpful if there is an installed Kinect SDK V1. But you can also download the Runtime at: http://download.microsoft.com/download/E/E/2/EE2D29A1-2D5C-463C-B7F1-40E4170F5E2C/KinectRuntime-v1.0-Setup.exe Important! The program is still in development! In future there will be several updates. Until now there is a handbook and several other documents to understand KinectCAD which are not translated to english but in the near future I will translate them. http://www.youtube.com/watch?v=A3ZYCyCt75g If there are questions or problems mail me.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 23

    Oskar Dolch

    A Linux CAD system

    Oskar Dolch is a CAD system based on GTK+ and OpenGL.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 24
    PyAMS

    PyAMS

    PyAMS (Python for Analog and Mixed Signals) CAD approach

    PyAMS (Python for Analog and Mixed Signals) is used to simplify modeling analog elements and simulate electronic circuit The objectives of PyAMS is: - Drawing circuit by schematic (CAD approach); - Simulating the circuit; - Creating new symbols for models; - Creating new models of electrical elements by using Python language with pyams_lib; - Presenting simulation results in waveform or in probe; - PyAMS is developed with Python 3+, ElectronJS and NodeJs - Licensed under: PyAMS is free to use. GPLv3 . - Open source.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 25
    RHEIN for MicroStation

    RHEIN for MicroStation

    3D/2D Concrete Reinforcement in Bentley MicroStation

    https://github.com/LeonidWiebe/Rhein
    Downloads: 0 This Week
    Last Update:
    See Project
  • Previous
  • You're on page 1
  • 2
  • Next