Open-source IoT platform for device management, telemetry collection, rule-based processing, alarms, and real-time dashboards using standard IoT protocols.
22.3k stars6.4k forksApache-2.0last commit Actively maintained

Enterprise IoT application-enablement platform for connecting and managing devices, ingesting and processing telemetry, and building dashboards and low-code workflows. Includes edge agents, device provisioning, digital twins, integrations and APIs for real-time applications.
Open-source IoT platform for device management, telemetry collection, rule-based processing, alarms, and real-time dashboards using standard IoT protocols.
22.3k stars6.4k forksApache-2.0last commit Actively maintained
ESPHome generates custom firmware for ESP32/ESP8266 and other boards from YAML, enabling local smart home devices with Home Assistant, API, and MQTT integration.

11.6k stars5.6k forkslast commit Actively maintained
Eclipse Mosquitto is a lightweight, open-source MQTT broker supporting MQTT 5.0 and 3.1.1, plus client libraries and CLI tools for pub/sub messaging.

11.2k stars2.6k forkslast commit Actively maintained
Open-source EV charge controller that optimizes vehicle charging with PV, batteries and dynamic tariffs; supports many chargers, vehicles and smart-home integrations.

7.1k stars1.5k forksMITlast commit Actively maintained
Self-hosted smart home hub that unifies device control, automation, and floorplan visualization while preserving privacy.

2.6k stars332 forksMPL-2.0last commit Actively maintained
OpenRemote is a 100% open-source IoT platform for device management, data dashboards, and automation with rules, APIs, and multi-tenant user management.

1.9k stars464 forkslast commit Actively maintained
Open source IoT integration and automation platform with an adapter ecosystem, centralized state database, and tools for visualization and data logging.

1.4k stars160 forksMITlast commit Actively maintained
Open-source web app to collect, process, store, and visualize energy, temperature, and other environmental time-series data with dashboards, graphs, and an API.

1.3k stars529 forksAGPL-3.0last commit Actively maintained
Industrial low-code platform that extends Node-RED with an LLM-powered copilot, collaborative flow development, remote edge deployment, CI/CD and AI-assisted data transformation.
395 stars89 forkslast commit Actively maintained
Every option on this page is open source and free to run on your own hardware, so you own the data and there is no subscription to cancel. 9 of 9 shipped a commit in the last six months. Licences in this list: Apache-2.0, MIT, MPL-2.0, AGPL-3.0. In exchange you take on hosting, backups and updates yourself.
Browse everything in Smart Home & IoT Platforms.