Nimuno Loops - LEGO everywhere!
LeoCAD - LeoCAD is a CAD program for creating virtual LEGO models.
Ralph - Ralph is full-featured Asset Management, DCIM and CMDB system for data center and back office.
LDraw - LDraw is an open standard for LEGO CAD programs that allow the user to create virtual LEGO models...
Brickit - Use ML to detect what can be built from your pile of legos
LDCad - LDCad is a multiplatform ...