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: "extends", "chimney", "ruling", "thiazine", "directly", "widescreen", "marbleise", "unused".

Test your knowledge of FHIR resources by solving the FHIR Crossword.

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

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.