Hyperledger

Transact is a transaction execution platform designed to be used as a library or component when implementing distributed ledgers, including blockchains.

Grid provides reference implementations of supply-chain-centric items – data types, data models, smart contracts, and more – that are anchored on existing open standards and industry best practices.

Aries agent test framework, with agent backchannel support

Hyperledger Fabric is an enterprise-grade permissioned distributed ledger framework for developing solutions and applications. Its modular and versatile design satisfies a broad range of industry use cases. It offers a unique approach to consensus that enables performance at scale while preserving privacy.

An enterprise-grade Java-based, Apache 2.0 licensed Ethereum client https://wiki.hyperledger.org/display/besu

Hyperledger Cactus is a new approach to the blockchain interoperability problem

Iroha - A simple, enterprise-grade decentralized ledger

Extension libraries for Aries Framework JavaScript

Documentation for Hyperledger Besu enterprise-grade Java-based, Apache 2.0 licensed Ethereum client https://wiki.hyperledger.org/display/besu