Look for products that have an OCP-Accepted™ or OCP-Inspired™ icon.
Products that carry the OCP Accepted™ recognition comply 100% with an OCP accepted specification and the design files are open sourced and available.
Products that carry the OCP Inspired™ recognition comply 100% with an OCP accepted specification and are available from a Gold, Silver or Platinum member of OCP.
OCP-Accepted™ or OCP-Inspired™ products have been demonstrated and meet 3 or more of the OCP tenets-efficiency, openness, impact & scale. They can only be sold with warranty and support.