OpenSTL is described as 'A GUI-based STL (stereolithography) file viewer and editor. No installation needed. Support shaded/wireframe rendering and basic editings (translate/rotate)'. There are more than 10 alternatives to OpenSTL for a variety of platforms, including Windows, Mac, Linux, Android and iPhone. The best alternative is F3D, which is both free and Open Source. Other great apps like OpenSTL are Magics (Paid), Free View Expert (Freemium), Viewshape (Free) and Netfabb (Freemium).
Support for STL, OBJ, WRL & PLY formats Open files in widely used industry standard formats NVidia 3DVision Pro stereoscopic rendering support Use your NVidia Quadro graphics card with stereo-ready display or projector and Artec 3DViewer to get a fully-immersive 3D...
Netfabb is not just a viewer, it provides mesh edit, repair and analysis capabilities to everyone already being or aspiring to become part of this fantastic, growing, creative, high-tech industry called Additive Manufacturing, Rapid Prototyping or 3D Printing.
The STL Viewer is FREE software for visualisation of STL or OBJ meshes created in packages such as 3D Studio Max, MAYA and Z Brush, modeled in CAD systems or generated from 3D digitalization of physical objects.