All Sonoff products support
https://support.itead.cc/support/home
All Broadlink products support
https://www.ibroadlink.com/support
All Google products support
https://support.google.com/googlenest/topic/7196250?hl=en&ref_topic=7029677
All Qi System’s products support
https://www.greentechnologies.africa/support&manuals
All Smart Life products support
https://www.ismartlife.me/
IFTTT Support for Smart Life
https://ifttt.com/smartlife