
Description: LDCad is a free and open source software for designing LEGO models in CAD programs and generating assembly instructions. It is especially popular within the 3D LEGO building community, allowing enthusiasts to easily share and execute LEGO creations.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Bricklink Studio is a free digital building software for LEGO fans. It allows users to design and build virtual LEGO models, create building instructions, render images, and connect with the LEGO community.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API