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...
OpenSTL - A GUI-based STL (stereolithography) file viewer and editor
STLView - A Free STL Viewer for Android and Windows
JNetCAD - Simple Java GUI for importing and exporting several CAD formats
fstl - Simple viewer for .stl files.