Build Blockchain applications and business networks your way

Update April 27: Now with experimental Hyperledger Fabric V1.0 support, for more information please see our release notes

Really simple models

Define a business network in our purpose-built modelling language, and script transactions in JavaScript: the most popular language on the planet.

Quick reusable POCs

Rather than weeks, think hours to develop production-ready applications that go from the web-browser all the way back to the blockchain.

Data integration

From enterprise systems of record to best of breed dev ops: Composer uses LoopBack to connect your blockchain to your existing systems.

We’re Open Source: Join in!

Calls happen every Thursday:

In our open community meetings, we show new features, review designs for future work, and seek any areas to improve. Join the discussion or just listen in!

Visit the community page for more information.