Google Closure Tools
| Google Closure Tools | |
|---|---|
| Original author(s) | |
| Initial release | November 5, 2009 | 
| Final release | v20230802 
   / 2 August 2023 | 
| Repository | |
| Written in | Java | 
| Available in | JavaScript | 
| Type | Ajax framework | 
| License | Apache License 2.0 | 
| Website | developers | 
Google Closure Tools was a set of tools built with the goal of helping developers optimize rich web applications with JavaScript. It was developed by Google for use in their web applications such as Gmail, Google Docs and Google Maps. As of Aug 1, 2024 the Closure Library has been sunset, for not "meeting the needs of modern JavaScript development".