ParallelGraphics products are available for purchase at the online software shop Regnow.com.
Regnow.com accepts payments in USD, EUR, GBP, AUD and CAD.
Available payment methods include credit card, check, and wire transfer.
The products are supplied in the downloadable form. Additionally you can order a backup CD.

Internet Model Optimizer 1.5	1499.95 USD
Cortona SDK 4.1	749.95 USD
Cortona Movie Maker 1.0 (unlock key)	299.95 USD
VrmlPad 2.1 (unlock key)	149.95 USD
Extrusion Editor 1.0 (unlock key)	149.95 USD
Internet Space Builder 3.0 (unlock key)	78.95 USD
Internet Scene Assembler Pro 2.0	749.95 USD
Outline3D (offline) 4.5 (unlock key)	279.95 USD
VRML 1.0 to VRML97 Converter for PC	24.95 USD
VRML 1.0 to VRML97 Converter for Mac OS X	24.95 USD
Pocket Cortona 1.5 (unlock key)	19.95 USD
VrmlPad 2.1 & Extrusion Editor 1.0 (unlock keys)	254.92 USD
VrmlPad 2.1 & ISB 3.0 (unlock keys)	194.57 USD