We just announced the stretch goals for the PrintToPeer wireless 3D printing campaign on

We just announced the stretch goals for the PrintToPeer wireless 3D printing campaign on Indiegogo.
Please support the campaign, we’re almost at our target! https://www.indiegogo.com/projects/printtopeer-your-3d-printer-on-the-web/

huh? What is it? Apache 2.0 licensed Open Source or just free for personal use?