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
Cloud platform for managing and operating IoT devices and fleets. Provides device provisioning, secure connectivity (cellular, Wi-Fi, LoRaWAN), OTA firmware updates, device APIs and webhooks, real-time event bus, device monitoring, and integrations for product deployments.
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
VerneMQ is a high-performance, distributed MQTT broker for scalable, highly available IoT and M2M messaging, with clustering, TLS, WebSockets, plugins, and integrations.

3.6k stars429 forksApache-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
Containerized MQTT management solution bundling a Mosquitto broker with a web UI for ACLs, dynamic security, client management, monitoring and cloud bridges.
491 stars31 forksApache-2.0last 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. 8 of 8 shipped a commit in the last six months. Licences in this list: Apache-2.0, MIT. In exchange you take on hosting, backups and updates yourself.
Browse everything in Smart Home & IoT Platforms.