Kernel source tree for Raspberry Pi-provided kernel builds. Issues unrelated to the linux kernel should be posted on the community forum at https://forums.raspberrypi.com/

mimalloc is a compact general purpose allocator with excellent performance.

Disque is a distributed message broker

Generic command line non-JVM Apache Kafka producer and consumer

RIOT - The friendly OS for IoT

Lightweight Ruby

Embeddable, replicated and fault-tolerant SQL engine.

The Rubinius Language Platform

A Simple library for communicating with USB and Bluetooth HID devices on Linux, Mac, and Windows.

C implementation of statsd

Linux Library for low speed IO Communication in C with bindings for C++, Python, Node.js & Java. Supports generic io platforms, as well as Intel Edison, Intel Joule, Raspberry Pi and many more.

TinyB exposes the BLE GATT API for C++, Java and other languages, using BlueZ over DBus.

Moved to https://github.com/redbear/nRF5x

Notes About ZWave and RazBerry

Ruby bridge to CUPS API

A ruby gem that embedds ry/http-parser in it as an extension

A ruby C extension for HIDAPI, a USB human interface device API.