LEGO Digital Designer

LEGO Digital Designer, or LDD, is a free computer program produced by the LEGO Group. The program allows users to build models using virtual LEGO bricks, in a computer-aided design like manner.

Free Mac OS X Windows

LDraw

LDraw is an open standard for LEGO CAD programs that allow the user to create virtual LEGO models and scenes.

Free Mac OS X 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 integrated with Bricklink.

Freemium Mac OS X Windows Web

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...

Free Open Source Mac OS X Windows Linux

Mecabricks.com

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

Free Web

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

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...

Free Open Source Mac OS X 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

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