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: "offence", "endosymbiotic", "quarters", "Duchenne muscular dystrophy", "Kyrie Irving", "appointed", "adjacent", "lease".

Browse the HL7 RIM model using HL7 RIM Browser — an online explorer for the Reference Information Model, base information model for HL7v3 standards.

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.