OpenSCAD

OpenSCAD is a software for creating solid 3D CAD objects. It is free software and available for Linux/UNIX, MS Windows and MacOS.

Free Open Source Mac OS X Windows Linux

Thingiverse

Thingiverse.com is the place to share digital designs for fabricating real, physical objects. Share your work and inspire other innovators in the Thingiverse universe.

Free Web

Youmagine

Share your imagination, join our 3D printing community today and start designing, collaborating, and printing the easy way. * Create anything you can imagine * Collaborate with other 3D enthusiasts * Show the world what you’ve got.

Free Open Source Web

OpenJSCAD.org

OpenSCAD + JavaScript = OpenJSCAD, edit locally or remote online, preview in browser direct via WebGL.

Free Open Source Web Self-Hosted

Repables

A open source file sharing site that is not tied to any 3D printer manufacturer.

Free Web

Prithly

Prithly is a marketplace of models for 3D printers. If you are user with a 3D printer you will find models created by experts for free or for a low price. If you are a designer, you will be able to earn money from each item sold.

Free Web

Cults.

Cults is a marketplace that connects designers and people who want to 3D print some objects.

Freemium Web

RapCAD

RapCAD is a Rapid prototyping CAD IDE for RepRap and RepStrap 3D printing machines. Unlike most CAD packages RapCAD is not GUI based.

Free Open Source Mac OS X Windows Linux

Threeding.com

Threeding.com is a 3D printing marketplace where you can buy, sell or simply share for free 3D printable files.

Commercial Android