Alternative apps to MeshLab:

MeshLab Alternatives
MeshLab is an open source, portable, and extensible system for the processing and editing of unstructured 3D triangular meshes.
The open source system for processing and editing 3D triangular meshes. It provides a set of tools for editing, cleaning, healing, inspecting, rendering, texturing and converting meshes. It offers features for processing raw data produced by 3D digitization tools/devices and for preparing models for 3D printing. Read more.