>Thread is an IPv6-based, low-power mesh networking technology for Internet of things (IoT) products.[1] The Thread protocol specification is available at no cost; however, this requires agreement and continued adherence to an End-User License Agreement (EULA), which states that "Membership in Thread Group is necessary to implement, practice, and ship Thread technology and Thread Group specifications."[2]
https://en.wikipedia.org/wiki/Thread_(network_protocol)
>Thread is an IPv6-based, low-power mesh networking technology for Internet of things (IoT) products.[1] The Thread protocol specification is available at no cost; however, this requires agreement and continued adherence to an End-User License Agreement (EULA), which states that "Membership in Thread Group is necessary to implement, practice, and ship Thread technology and Thread Group specifications."[2]