Sawtooth is an enterprise solution for building, deploying, and running distributed ledgers (also called blockchains). It provides an extremely modular and flexible platform for implementing transaction-based updates to shared state between untrusted parties coordinated by consensus algorithms.
Documentation for how to run and extend Sawtooth is available here: https://sawtooth.splinter.dev/docs/
Sawtooth Core Developers Setup Guide can be found here: BUILD.md
Sawtooth software is licensed under the Apache License Version 2.0 software license.