Hyperledger projects use RocketChat to conduct ephemeral discussions; whereas, mailing lists are used to conduct larger discussions for which we want to maintain a history. To join our chat discussions, you will need a Linux Foundation ID to login to https://chat.hyperledger.org/.

• #architecture-wg
  Used by the Architecture Working Group to announce meeting updates and adhoc meetings

• #blockchain-explorer
  Used by the Blockchain Explorer project to collaborate on creating a blockchain UI for all Hyperledger blockchain framework projects

• #burrow
  Used by the Hyperledger Burrow project to discuss creating a permissioned smart contract machine based on the Ethereum Virtual Machine (EVM) specification

• #cello
  Used by the Hyperledger Cello project to discuss bringing an on-demand “as-a-service” deployment model to the blockchain ecosystem

• #chaincode-dev
  Used to discuss the chaincode development system or application chaincode

• #ci-pipeline
  Used to discuss the Continuous Integration pipeline with respect to https://jenkins.hyperledger.org

• #composer
  Used for user discussions on the Hyperledger Composer project

• #composer-dev
  Used for discussions by the developers of the Hyperledger Composer project

• #deployment
  Used to discuss deploying any of the Hyperledger projects

• #fabric
  Used to discuss the Hyperledger Fabric project

• #fabric-ca
  Used to discuss the Certificate Authority of the Hyperledger Fabric project

• #fabric-chaintool
  Used by the Chaintool project to discuss creating a utility to assist in various phases of Hyperledger Fabric chaincode development, such as compilation, test, packaging, and deployment

• #fabric-ci
  Used to discuss the Continuous Integration for Hyperledger Fabric

• #fabric-connect-a-cloud
  Used to discuss connecting Hyperledger Fabric across multiple hosted environments

• #fabric-consensus
  Used to discuss orderers and the consensus protocols for Hyperledger Fabric

• #fabric-crypto
  Used to discuss cryptography for Hyperledger Fabric

• #fabric-dev-env
  Used to discuss setting up and configuring the developer environment for Hyperledger Fabric

• #fabric-documentation
  Used to discuss the documentation for Hyperledger Fabric

• #fabric-gossip
  Used to discuss the gossip protocol used by Hyperledger Fabric

• #fabric-java-chaincode
  Used to discuss creating Java chaincode to use with Hyperledger Fabric

• #fabric-ledger
  Used to discuss the technical aspects of the ledger used by Hyperledger Fabric

• #fabric-maintainers
  Used for discussion amongst or with the maintainers of Hyperledger Fabric

• #fabric-peer-endorser-committer
  Used for technical discussions of both endorser and committer used by Hyperledger Fabric

• #fabric-playbacks
  Used to show developers the most current work on Hyperledger Fabric

• #fabric-pr-reviews
  Used to review pull requests for Hyperledger Fabric

• #fabric-quality
  Used to discuss testing of Hyperledger Fabric

• #fabric-questions
  Used to ask questions about Hyperledger Fabric

• #fabric-release
  Used for Hyperledger Fabric release-related questions, surveys, feedback, enquiries, requests, along with discussions of all sorts around: priorities, planning, schedule, milestones, and, of course, announcements

• #fabric-sdk
  Used for discussions on Hyperledger Fabric SDK agnostic of programming language

• #fabric-sdk-go
  Used for discussions of Hyperledger Fabric's Go SDK

• #fabric-sdk-java
  Used for discussions of Hyperledger Fabric's Java SDK

• #fabric-sdk-node
  Used for discussions of Hyperledger Fabric's Node SDK

• #fabric-sdk-py
  Used for discussions of Hyperledger Fabric's Python SDK

• #general
  Used for generic discussions relating to blockchain or Hyperledger in general – Discussions here should not be specific to a particular project

• #identity-wg
  Used by the Identity Working Group to announce meeting updates and adhoc meetings

• #indy
  Used to discuss the Hyperledger Indy project

• #indy-agent
  Used to discuss Hyperledger Indy's Agent (p2p endpoints of the network)

• #indy-node
  Used to discuss Hyperledger Indy's validator and observer nodes

• #iroha
  Used to discuss the Hyperledger Iroha project

• #iroha-smartcontracts
  Used to discuss Hyperledger Iroha smart contracts

• #jenkins-robot
  Used by Jenkins to notify success/failure of CI pipelines (Not currently used)

• #jira
  Used to discuss setting up Jira for new projects

• #jira-notifications
  Used by Jira to notify about new bugs (Not currently used)

• #marketing
  Used by the Hyperledger marketing team

• #performance-and-scale-wg
  Used by the Performance and Scale Working Group to announce meeting updates and adhoc meetings

• #requirements-wg
  Used by the Requirements Working Group to announce meeting updates and adhoc meetings

• #rocketchat-chat
  Used to discuss issues with Rocket.Chat

• #russia
  Used for discussion amongst Russian community developers

• #sawtooth-consensus
  Used to discuss the consensus algorithm of the Hyperledger Sawtooth project

• #sawtoothlake
  Used to discuss the Hyperledger Sawtooth project

• #sawtooth-pr-reviews
  Used to review pull requests for Hyperledger Sawtooth

• #tsc
  Used by the Hyperledger Technical Steering Committee to announce meeting updates and adhoc meetings

• #twg-china
  Used by the Technical Working Group China to announce meeting updates, adhoc meetings, and other discussions

• #whitepaper-wg
  Used by the Whitepaper WG to announce meeting updates and adhoc meetings