Magics - Magics rapid prototyping software enables you to import a wide variety of CAD formats and to export...
Netfabb - Innovative software solutions for 3D printing and additive manufacturing.
MiniMagics - Here's what MiniMagics offers: Import and save .STL, .magics or .mgx files
ADA STL Viewer - FREE software for visualisation of STL or OBJ meshes
Tatlin - Multi-platform Gcode and STL viewer for 3D printing
STLView - A Free STL Viewer for Android and Windows