OpenSCAD is a free software application for creating solid 3D CAD (computer-aided design) objects. Developed by Clifford Wolf
License: Open Source
MeshLab is an advanced 3D mesh processing software system that is oriented to the management and processing of unstructured large meshes and provides a set of tools for editing, cleaning, healing, inspecting, rendering, and converting these kinds of meshes. Developed by ISTI - CNR (Consiglio Nazionale delle Ricerche)
License: Open Source
MeshLab is primarily focused on processing and editing 3D meshes, making it suitable for tasks like cleaning and repairing models. In contrast, OpenSCAD is a script-based CAD tool ideal for parametric and precise modeling, catering more to users looking for automation and repeatability in designs.