CATIA is a multi-platform software suite for computer-aided design, computer-aided manufacturing, computer-aided engineering, 3D modeling and Product lifecycle management, developed by the French company Dassault Systèmes. CATIA (Computer-Aided Three dimensional Interactive Application) software is a complete multi-platform solution for computer-aided design, manufacturing, engineering, 3D and PLM. IF your academic institution is already a CATIA V5 customer, you can provide students with a free version of CATIA V5 for homework purposes (homework edition).