Clients, Parsers, Serializers, and Browsers

iOS

• SHMKit - https://github.com/mdobson/SHMKit - Client
• 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
• Spring Hateoas Siren Message Converter - https://github.com/dschulten/hydra-java#sirenmessageconverter-from-v-020-beta5 - Serializer

C#

• NHateoas - https://github.com/yury-sannikov/NHateoas - Serializer
• Nancy.Siren - https://github.com/jchannon/Nancy.Siren - Serializer

Node.js

• siren - https://github.com/kevinswiber/node-siren - Client
• super-siren - https://github.com/JChapman202/super-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
• AngularHypermedia - https://github.com/yury-sannikov/AngularHypermedia - Client
• angular-hy-res - https://github.com/petejohanson/angular-hy-res - Client

Scala

• siren-scala https://github.com/yetu/siren-scala - Serializer

PHP

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

Ruby

• siren_client - https://github.com/cha55son/siren_client - Client
• Oat - https://github.com/ismasan/oat - Serializer
• rspec-siren - https://github.com/neerfri/rspec-siren - Test Helper
• HyperResource - https://github.com/gamache/hyperresource/tree/siren - Client (Note: Only available in siren branch)

Python

• siren-client - https://github.com/lonelyplanet/siren-client-python - Client
• pypermedia - https://github.com/vertical-knowledge/pypermedia - Client
• ripozo - https://github.com/vertical-knowledge/ripozo - REST framework with native support

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