Home - Securely control all your HomeKit accessories from your favorite iOS device.
Dialogflow - Conversational UX Platform. (ex API.ai)
ioBroker - flexible and modular application for the IoT and Smarthome
Telegram - Telegram is a messaging app with a focus on speed and security. It’s superfast, simple and free.
Nim Home Assistant (NimHA) - Nim Home Assistant is an open-source home automation platform running on Nim.
Botkit - Botkit is an open source developer tool for building chat bots, apps and custom integrations for major messaging platforms.