streamsupport is a backport of the Java 8 java.util.function (functional interfaces) and java.util.stream (streams) API for Java 6 / 7 and Android developers

A JNA-based (native) operating system information library for Java that aims to provide a cross-platform implementation to retrieve system information, such as version, memory, CPU, disk, battery, etc.

web3j is a lightweight Java library for integration with Ethereum clients

Ethereum Application Binary Interface (ABI) for working with smart contracts

streamsupport-cfuture is a backport of the Java 8 CompletableFuture API with the current Java 9 (JEP 266) enhancements for Java 6 to 8 and Android developers

Abstract, incarnation independent implementations of the Alchemist's interfaces. Provides support for those who want to write incarnations.

A simulator for pervasive, aggregate, and nature-inspired computing

Handful shortcuts for Java programming

Implementation of generic Alchemist's model parts that have a dependency on the engine

Implementation of the JSON Schema Core Draft v4 - v7 specification built with the org.json API

Java for Rust