Lightweight Java and Android library for integration with Ethereum
...Create projects to work with new or import existing decentralized apps in a single command with the Web3j CLI. Simple to use framework for automated integration testing against networks within your IDE. Web3j is 100% open source and maintained by Web3 Labs.
webthree is a metadata framework that plugs into Apache OJB to ease the development of backend based webapplications. At this time a formcontroller based on a datadictionary is implemented and running.