Engineering software

3D CAD

  1. Onshape (web-based)

Complex structures

  1. nTopology (free version)

3D point cloud / mesh

  1. CloudCompare (Cross-platform)
  2. GOM Inspect (Windows)
  3. MeshLab (Cross-platform)

WebGl-based

  1. Three.js - Javascript 3D library
  2. Cesium - an open-source JavaScript library for world-class 3D globes and maps

Viewers

CAE

  1. SimScale - CFD, FEA, and Thermal Simulation (web-based)

CAM

Links collection

  1. http://www.shapeoko.com/wiki/index.php/CAM
apps