generated: '2026-07-18'
method: searched
source: https://docs.castle.io/docs/sdk-download + https://github.com/castle + package registries
packages:
- language: ruby
  registry: rubygems
  name: castle
  url: https://rubygems.org/gems/castle
  install: gem install castle
  source_code: https://github.com/castle/castle-ruby
  official: true
- language: javascript
  registry: npm
  name: "@castleio/sdk"
  url: https://www.npmjs.com/package/@castleio/sdk
  install: npm install @castleio/sdk
  source_code: https://github.com/castle/castle-node
  role: backend
  official: true
- language: javascript
  registry: npm
  name: "@castleio/castle-js"
  url: https://www.npmjs.com/package/@castleio/castle-js
  install: npm install @castleio/castle-js
  role: browser
  official: true
- language: python
  registry: pypi
  name: castle
  url: https://pypi.org/project/castle/
  install: pip install castle
  source_code: https://github.com/castle/castle-python
  official: true
- language: php
  registry: packagist
  name: castle/castle-php
  url: https://packagist.org/packages/castle/castle-php
  install: composer require castle/castle-php
  source_code: https://github.com/castle/castle-php
  official: true
- language: java
  registry: maven
  name: io.castle:castle-java
  url: https://central.sonatype.com/artifact/io.castle/castle-java
  source_code: https://github.com/castle/castle-java
  official: true
- language: csharp
  registry: nuget
  name: castle-dotnet
  url: https://github.com/castle/castle-dotnet
  source_code: https://github.com/castle/castle-dotnet
  official: true
  note: Published SDK; canonical NuGet package id not confirmed from docs.
- language: swift
  registry: cocoapods
  name: Castle
  url: https://github.com/castle/castle-ios
  source_code: https://github.com/castle/castle-ios
  role: mobile-ios
  official: true
- language: kotlin
  registry: maven
  name: castle-android
  url: https://github.com/castle/castle-android
  source_code: https://github.com/castle/castle-android
  role: mobile-android
  official: true
- language: javascript
  registry: npm
  name: "@castleio/react-native-castle"
  url: https://github.com/castle/castle-react-native
  source_code: https://github.com/castle/castle-react-native
  role: mobile-react-native
  official: true
third_party:
- language: php
  framework: laravel
  name: robrogers3/laracastle
  url: https://github.com/robrogers3/laracastle
  official: false
- language: ruby
  framework: devise
  name: castle_devise
  url: https://github.com/castle/castle_devise
  official: true