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Version: v0.47


The Cosmos SDK is a collection of Go modules. This section provides documentation on various packages that can used when developing a Cosmos SDK chain. It lists all standalone Go modules that are part of the Cosmos SDK.


For more information on SDK modules, see the SDK Modules section. For more information on SDK tooling, see the Tooling section.


  • Core - Core library defining SDK interfaces (ADR-063)
  • API - API library containing generated SDK Pulsar API
  • Store - Implementation of the Cosmos SDK store

State Management



  • Log - Logging library
  • Errors - Error handling library
  • Math - Math library for SDK arithmetic operations


  • SimApp - SimApp is the sample Cosmos SDK chain. This package should not be imported in your application.