FHIR Developer links
These are the most relevant links for Developers who want to develop FHIR apps A short summary of the developer ecosystem:
Test servers
This is a page maintained by HL7 for FHIR servers availabe to test your code against.
http://wiki.hl7.org/index.php?title=Publicly_Available_FHIR_Servers_for_testing
Other links
Google Protobuf for FHIR on Github
Other languages
| Delphi | https://github.com/grahamegrieve/fhirserver |
| Javascript | https://github.com/FHIR/fhir.js |
| Ruby | https://github.com/fhir-crucible/fhir_client |