Hyperledger Quilt 
Quilt is an implementation of the Interledger protocol in Java.
Modules
The quilt project is organised as a Maven multi-module project. Each module exists in a subdirectory and has its own POM and README.
Dependency and plugin versions are managed in the parent project.
Issues are labelled and prefixed to make it easy to identify which project they relate to.
crypto-conditions
Crypto-conditions is an implementation of the crypto-conditions specification available as an Internet Draft: draft-thomas-crypto-conditions-03.
ilp-core
The ilp-core module is the base library for any Interledger projects providing service interfaces, event descriptions, exceptions and data models. It also includes an encoding framework and codecs for encoding and decoding ILP objects using the Octet Encoding Rules (OER).
dev-ops
Dev-ops is a module for shared build and test tools