Netfabb - Innovative software solutions for 3D printing and additive manufacturing.
Magics - Magics rapid prototyping software enables you to import a wide variety of CAD formats and to export...
ADA STL Viewer - FREE software for visualisation of STL or OBJ meshes
MiniMagics - Here's what MiniMagics offers: Import and save .STL, .magics or .mgx files
fstl - Simple viewer for .stl files.
OpenSTL - A GUI-based STL (stereolithography) file viewer and editor