Polymer (library)

Polymer
Developer(s)Google and contributors
Initial releaseMay 29, 2015 (2015-05-29)
Stable release
1.x 1.12.0 / 21 May 2019 (2019-05-21)
2.x2.8.0 / 24 June 2019 (2019-06-24)
3.x3.5.2  / 7 October 2024 (7 October 2024)
Repositorypolymer
Written inJavaScript, HTML
TypeJavaScript library
License3-Clause BSD
Websitewww.polymer-project.org

Polymer is an open-source JavaScript library for building web applications using Web Components. The library is being developed by Google developers and contributors on GitHub. Modern design principles are implemented as a separate project using Google's Material Design design principles.

Polymer is used by a number of Google services and websites, including YouTube, YouTube Gaming, the redesigned Google Earth (since 2017), Google I/O 2015 and 2016 websites, Google Play Music, redesign of Google Sites and Allo for web (until its shutdown in 2019).

Other notable users include Netflix, Electronics Arts, Comcast, Nuxeo, Coca-Cola, McDonald's, BBVA, IBM, Interxion and General Electric.