The best alternative solutions to ODOP:Spring are:
The full list of CAD & CAE Software Products can be found on the category page.
CAD and CAE software are used in the design, modification, optimization and analysis of engineering projects. They improve the productivity of engineers as well as the quality and validity of their designs. Software in this category is used in architectural, electronic, or mechanical design and a range of other fields. The software enables users to design 2D or 3D models and include information such as materials, dimensions, tolerances, processes, and more.