Open source. Open possibilities.

Open-source documentation website for Harper, a fullstack serverful Node.js application platform. Built with Docusaurus and hosted at docs.harper.fast. Community contributions welcome via issues and pull requests.

Home Assistant is an open-source home automation platform focused on local control and privacy, designed to run on local servers or Raspberry Pi.

ESP32-based dew point controlled ventilation for basements and humid rooms. Features web interface, live charts, MQTT/Home Assistant integration, login protection, and OTA updates. Sensors: SHT31 or DHT22.

Frigate is a local NVR for IP cameras with realtime AI object detection, built for Home Assistant. It uses OpenCV and TensorFlow, motion-triggered detection, MQTT, object-based retention, 24/7 recording, RTSP restreaming and low-latency WebRTC/MSE live view.

curl is a widely used command-line tool and the libcurl library for transferring data to and from servers using URL syntax, with broad protocol support including HTTP, HTTPS, FTP, SFTP, SMTP, IMAP, MQTT, WebSocket and more.

TeslaMate is a self-hosted data logger for Tesla vehicles. It records high-precision drive, battery, and charging data into Postgres, visualizes it through bundled Grafana dashboards, and publishes vehicle state to a local MQTT broker for Home Assistant and Node-Red.

MQTT.js is a JavaScript client library for the MQTT protocol, usable in Node.js and browsers. It supports MQTT 3.1.1 and 5, QoS levels, automatic reconnection, WebSocket and TLS transports, plus a command-line tool for publishing and subscribing.