Formerly Project Connected Home over IP (CHIP), is a proprietary, royalty-free
home automation connectivity standard. Announced on December 18th, 2019,
Matter aims to reduce fragmentation across different vendors, and achieve interoperability
among smart home devices and Internet of things (IoT) platforms
from different providers.The project group was launched and introduced by Amazon, Apple, Google,
Comcast and the Zigbee Alliance, now Connectivity Standards Alliance (CSA).
Subsequent members include IKEA, Huawei, Schneider, among others. Mattercompatible
products and software updates for existing products are expected to be released in 2022. Although the Matter code repository is open-source
under the Apache license, the Matter specification is licensed by CSA.