The Dictionary app is a modern pronunciation dictionary for the English language. Every pronunciation in Dictionary is written using the International Phonetic Alphabet (IPA). Example English pronunciations: "subjected", "bailey", "helicase", "subsequent", "insure", "aitches", "untruth", "laughs".

Test CQL scripts against FHIR resources using CQL Testing Tool — an online tool for authoring, testing, and debugging Clinical Quality Language.

Validate HL7v2 messages against the HL7 grammar (HL7 abstract message syntax) using HL7v2 Validator — an online interactive tool that requires no registration or installation.

Browse HL7v2 specification online using HL7v2 Spec Viewer.