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: "tutorials", "lands", "zilch", "foundation", "stepped", "threaten", "candidate", "elements".

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

ECL Editor is an online editor for the Expression Constraint Language. It provides syntax highlighting and live querying of SNOMED CT terminologies to facilitate the authoring and testing of ECL expression constraints.

Browse HL7v2 specification online using HL7v2 Spec Viewer.