Little Relay is an open-source Android app that transforms devices into a bidirectional data bridge between Bluetooth Low Energy (BLE) and MQTT brokers. It is designed for IoT developers needing BLE-to-MQTT integration.
Little Relay sits in PulseGate's Infrastructure & Backend category. It enables Android devices to act as a bridge between Bluetooth Low Energy devices and MQTT brokers for IoT applications. Little Relay is an open-source project aimed at ioT developers and hobbyists. The project is open source (GPL-3.0). The product ships for the web and Android.
Umer Farooq builds and maintains Little Relay, and the product first shipped in 2026. The project is developed in the open on GitHub with 26 stars. Among its 4 catalogued features are BLE to MQTT bridge, bidirectional data transfer, and bluetooth device pairing. The interface is available in 26 languages, including Arabic, Tibetan, and Catalan.
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