ShapeWays - Upload 3D model, choose materials and get the thing.
libfive - Infrastructure for solid modeling.
Formlabs - Powerful, affordable 3D printers for professionals.
Fiber - Industrial-grade, continuous fiber composites, printed from your desktop.
Origin - Manufacturing-grade printer that enables additive mass production of end-use parts.
Klipper - 3d-printer firmware. It combines the power of a general purpose computer with one or more micro-controllers.
Pepr3D - Intuitive, free, and open-source 3D painting tool for coloring models intended for colorful 3D printing.