JNetCAD
Simple Java GUI for importing and exporting several CAD formats
19 Alternatives To JNetCAD
3D-Tool Free Viewer
Visualize STL and DDS files
ADA STL Viewer
FREE software for visualisation of STL or OBJ meshes
Blender
Blender is the open source, cross platform suite of tools for 3D creation.
CUR3D
3D printing as easy as printing on a white piece of paper.
CraftWare
CraftWare is a free slicer software for 3D printers.
Free View Expert
Entry level tool targeted for viewing, verifying, dimensioning and communicating 3D geometry…
Magics
Magics rapid prototyping software enables you to import a wide variety of CAD formats and to export…
MatterControl
MatterControl is a free, open source app that lets you organize and manage your 3D prints.
MicroCFD STL Viewer
Free STL File Viewer
MiniMagics
Here’s what MiniMagics offers: Import and save .STL, .magics or .mgx files
OctoPrint
OctoPrint is the snappy web interface for your 3D printer that allows you to control and monitor all aspects of your printer and print jobs, right from your browser.
OpenSTL
A GUI-based STL (stereolithography) file viewer and editor
Pointshop3D
Pointshop3D is a system for interactive shape and appearance editing of 3D point-sampled geometry.
ReplicatorG
This is the software that will drive your MakerBot Replicator, Thing-O-Matic, CupCake CNC, RepRap…
STLView
A Free STL Viewer for Android and Windows
Simplify3D
Professional 3D printing software streamlines the process of 3D printing, leading to better results.
Slic3r
STL-to-GCODE translator for RepRap printers Here comes Slic3r! Its features are:
speed
Tatlin
Multi-platform Gcode and STL viewer for 3D printing
fstl
Simple viewer for .stl files.