Clients, Parsers, Serializers, and Browsers

iOS

• SHMKit - https://github.com/mdobson/SHMKit - Parser
• Representor (Swift) - https://github.com/the-hypermedia-project/representor-swift - Parser / Serializer
• LPMSirenKit - https://github.com/lonelyplanet/lpm-sirenkit-ios - Client
• Hyperdrive - https://github.com/the-hypermedia-project/Hyperdrive - Client

Java

• Siren4J - https://code.google.com/p/siren4j/ - Serializer
• HalBuilder Siren Extension - https://github.com/HalBuilder/halbuilder-siren - Parser / Serializer
• SirenJeeni - https://github.com/adam-jeeni/siren-jeeni - Serializer

Node.js

• siren - https://github.com/kevinswiber/node-siren - Client
• siren-writer - https://github.com/dominicbarnes/node-siren-writer - Serializer
• achelous - https://github.com/DarcInc/achelous - Serializer

JavaScript

• Backbone.Siren - https://github.com/kiva/backbone.siren - Client

PHP

• Level3 Resource - https://github.com/level3php/resource - Parser / Serializer
• Hyperspan - https://github.com/vlucas/hyperspan - Serializer

Ruby

• HyperResource - https://github.com/gamache/hyperresource - Client
• Oat - https://github.com/ismasan/oat - Serializer
• rspec-siren - https://github.com/neerfri/rspec-siren - Test Helper

Python

• siren-client - https://github.com/lonelyplanet/siren-client-python - Client

Web Browsers

• Kevin Swiber's Siren Browser - https://github.com/kevinswiber/siren-api-browser
• Wurl's Siren Browser - https://github.com/wurlinc/siren-browser
• Applicaster's Siren Browser - https://github.com/applicaster/siren-browser