LDraw

LDraw is an open standard for LEGO CAD programs that allow the user to create virtual LEGO models and scenes. You can use it to document models you have physically...

• it does not work well its not 3d Guest • May 2017 • 2 agrees and 7 disagrees Disagree   Agree

Free Mac Windows Linux

Stud.io

Stud.io is a powerful but intuitive CAD-like software for building model brick creations, giving the feeling of building with LEGO in real life. It's fully...

• Stud.io is Bricklinks response to Lego Digital Designer, and considering that Lego Digital Designer is being less and less supported, it may be a better option. Since Stud.io is made by Bricklink, you can put together and order your set in one app. Guest • Feb 2019 • 1 agrees and 0 disagrees Disagree   Agree

Freemium Mac Windows Web

Mecabricks.com

Mecabricks is the first web service to create, publish and display 3D models and 3D Renderings made with LEGO® bricks. No need to install any plugin, it simply...

• Yes! Mecabricks is a great alternative to LDD, it's actually better in my opinion. It has way more decorations because new parts are added almost every day, It has a better-looking UI and a rendering feature. Mecabricks beats LDD by a mile! OZZIE • Mar 2019 Disagree   Agree
• well for one you can buy the bricks. two it also has all the bricks! even the new lego minecraft stuff! Guest • May 2017 • 3 agrees and 2 disagrees Disagree   Agree

Free Web

LeoCAD

LeoCAD is a CAD program for creating virtual LEGO models. It has an easy to use interface and currently includes over 6000 different pieces created by the LDraw...

• Its easy to use and very lightweight. It also has a wide platform support. tanakinci • 13 days ago Disagree   Agree
• It's even better than LEGO Digital Designer, as there's no limitation in brick/color combination and even includes Lego Friends figures. Guest • Dec 2017 • 2 agrees and 0 disagrees Disagree   Agree

Free Open Source Mac Windows Linux

Konstruktor

Konstruktor provides a 3D environment on your screen in which you build Lego models out of predefined bricks and other subunits. The program comes with well over a...

• Discontinued
  The official website is no longer available. Last version, 0.9.0-beta1, released in January 2011, and the sourcecode are still available on Github.

Free Open Source Mac Windows Linux

LDCad

LDCad is a multiplatform LDraw (virtual LEGO) editor that lets you edit LDraw model documents in real-time.

Free Personal Windows Linux

Bricksmith

Bricksmith allows you to create virtual instructions for your Lego creations on your Mac. The magic is based on the LDraw library, a collection of 3D models of Lego...

Free Open Source Mac

MLCAD

MLCad (Mike's Lego CAD) is a powerful CAD system specifically designed to create building instructions as known from Lego, for your own Lego models and creations....

Free Personal Windows

SR 3D Builder

SR3DBuilder is an advanced CAD to create and ANIMATE LEGO models on your PC. Features: Looking at some video worths more than 1000 words Support for PowerFunction and...

Free Personal Windows