Home Assistant - Great news! Logitech has made a beta firmware available that reinstates the XMPP API (note: with security vulnerabilities), they are fixing the XMPP issues in a future release AND
Logitech Harmony Replacement We've Been Waiting For? - YIO Remote Two Livestream - YouTube
Logitech Harmony API brings voice, gesture control to the smart home - Gearburn
Bringing Home Entertainment to the Smart Home | logi BLOG
OBSOLETE] KuKuHarmony - DTH and SmartApp that support to control devices in Logitech Harmony(using Harmony-API) - #656 by KuKu - Community Created SmartApps - SmartThings Community