generated: '2026-07-20'
method: searched
source: https://docs.nervos.org/docs/sdk-and-devtool + public package registries
packages:
  - language: javascript
    registry: npm
    name: "@ckb-ccc/core"
    url: https://www.npmjs.com/package/@ckb-ccc/core
    version: 1.17.0
    install: npm install @ckb-ccc/core
    description: "Core of CCC (CKBer's Codebase) - the main JavaScript/TypeScript SDK for building CKB dApps."
    official: true
  - language: javascript
    registry: npm
    name: "@ckb-ccc/ccc"
    url: https://www.npmjs.com/package/@ckb-ccc/ccc
    version: 1.2.4
    install: npm install @ckb-ccc/ccc
    description: "CCC full bundle (core + connectors) for JavaScript/TypeScript CKB applications."
    official: true
  - language: javascript
    registry: npm
    name: "@offckb/cli"
    url: https://www.npmjs.com/package/@offckb/cli
    version: 0.4.8
    install: npm install -g @offckb/cli
    description: "OffCKB - one-line CKB local devnet + dApp scaffolding CLI (maintained by ckb-devrel)."
    official: true
  - language: rust
    registry: crates.io
    name: ckb-sdk
    url: https://crates.io/crates/ckb-sdk
    version: 5.1.0
    install: "cargo add ckb-sdk"
    description: "Rust SDK for CKB - transaction building, signing, and RPC client."
    official: true
  - language: rust
    registry: crates.io
    name: ckb-std
    url: https://crates.io/crates/ckb-std
    version: 1.1.0
    install: "cargo add ckb-std"
    description: "Standard library for writing CKB on-chain scripts (contracts) in Rust."
    official: true
  - language: go
    registry: pkg.go.dev
    name: github.com/nervosnetwork/ckb-sdk-go
    url: https://pkg.go.dev/github.com/nervosnetwork/ckb-sdk-go/v2
    source: https://github.com/nervosnetwork/ckb-sdk-go
    install: "go get github.com/nervosnetwork/ckb-sdk-go/v2"
    description: "Go SDK for CKB (listed as an official SDK on docs.nervos.org)."
    official: true
  - language: java
    registry: maven
    name: org.nervos.ckb
    source: https://github.com/nervosnetwork/ckb-sdk-java
    description: "Java SDK for CKB (listed as an official SDK on docs.nervos.org). Published under the org.nervos.ckb group."
    official: true