Sawtooth Sabre is a transaction family which implements on-chain smart contracts executed in a WebAssembly virtual machine. This distributed application runs on top of Hyperledger Sawtooth, an enterprise blockchain. To learn more about Hyperledger Sawtooth please see the sawtooth-core repo or its published docs.
Sawtooth Sabre documentation can be found here: https://sawtooth.hyperledger.org/docs/1.2/sabre/
Hyperledger Sawtooth software is licensed under the Apache License Version 2.0 software license.