LeoCAD

LeoCAD is a software application that allows users to create virtual models using LEGO® bricks. It features an intuitive interface suitable for beginners while offering advanced tools for experienced users. The application is fully compatible with the LDraw Standard, enabling users to read and write LDR and MPD files for sharing models. Available on Windows, Linux, and macOS, LeoCAD is open-source and free to use, making it accessible to a wide range of users.