Domoticz - Home Automation System that lets you monitor and configure various devices like: Lights, Switches, various sensors/meters like Temperature, Rain, Wind, UV, Electra, Gas, Water and much more. (Source Code, Clients) GPL-3.0C/C++/Docker/Shell
EMQX - Scalable MQTT broker. Connect 100M+ IoT devices in one single cluster, move and process real-time IoT data with 1M msg/s throughput at 1ms latency. (Demo, Source Code) Apache-2.0Docker/Erlang
evcc - Extensible Electric Vehicle Charge Controller and home energy management system. (Source Code) MITdeb/Docker/Go
FHEM - Automate common tasks in the household like switching lamps and heating. It can also be used to log events like temperature or power consumption. You can control it via web or smartphone frontends, telnet or TCP/IP directly. (Source Code) GPL-3.0Perl
FlowForge - Deploy Node-RED applications in a reliable, scalable and secure manner. The FlowForge platform provides DevOps capabilities for Node-RED development teams. (Source Code) Apache-2.0Nodejs/Docker/K8S
Gladys - Privacy-first home assistant. (Source Code) Apache-2.0Nodejs/Docker
ioBroker - Integration platform for the Internet of Things, focused on building automation, smart metering, ambient assisted living, process automation, visualization and data logging. (Source Code) MITNodejs
LHA - Light Home Automation application that is fully extensible using Blockly, HTML or Lua. It includes extensions such as ConBee, Philips Hue or Z-Wave JS. MITLua
Node RED - Browser-based flow editor that helps you wiring hardware devices, APIs and online services to create IoT solutions. (Source Code) Apache-2.0Nodejs/Docker
openHAB - Vendor and technology agnostic open source software for home automation. (Source Code) EPL-2.0Java
OpenRemote - IoT Asset management, Flow Rules and WHEN-THEN rules, Data visualization, Edge Gateway. (Demo, Source Code) AGPL-3.0Java
Tasmota - Open source firmware for ESP devices. Total local control with quick setup and updates. Control using MQTT, Web UI, HTTP or serial. Automate using timers, rules or scripts. Integration with home automation solutions. (Source Code) GPL-3.0C/C++
Thingsboard - Open-source IoT Platform - Device management, data collection, processing and visualization. (Demo, Source Code) Apache-2.0Java/Docker/K8S
WebThings Gateway - WebThings is an open source implementation of the Web of Things, including the WebThings Gateway and the WebThings Framework. (Source Code) MPL-2.0Nodejs