ECMA

Standards

ECMA-417: Architecture for a distributed real-time access system
ECMA-414: ECMAScript® specification suite
ECMA-412: Framework for distributed real-time access systems
ECMA-408: Dart programming language specification
ECMA-404: The JSON data interchange syntax
ECMA-388: Open XML paper specification (OpenXPS®)
ECMA-376: Office Open XML file formats
ECMA-372: C++/CLI language specification
ECMA-367: Eiffel: Analysis, design and programming language
ECMA-366: WS-Session - Web services for application session services
ECMA-335: Common Language Infrastructure (CLI)
ECMA-334: C# language specification
ECMA-262: ECMAScript® 2021 language specification
ECMA-234: Application Programming Interface for Windows (APIW)

Tech Reports

ECMA TR/104: ECMAScript® test suite
ECMA TR/61: User interface taxonomy
ECMA TR/59: Object-oriented databases
ECMA TR/58: Databases and networking

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Last modified 26 January 2026