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Hyperledger Composer is officially deprecation as of the 29th August 2019. Convector is a group of tools that have helped hundreds of developers migrate from Composer without loosing all their work in the process. Con vector takes care of common tasks you would need like serialization, type casting, and validations. Runs and scales natively with Fabric (compiles to pure JavaScript without a runtime) Let you access the Fabric API easily. Development blockchain network network bootstrapper with just one command.