Pyjs

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Pyjs
Original author(s)	James Tauber, Google
Developer(s)	Luke Leighton, Anthony C Risinger, Kees Bos
Initial release	March 2007; 18 years ago (2007-03)
Stable release	0.8.1a[1]  / 9 May 2012; 13 years ago (9 May 2012)
Repository	github.com/pyjs/pyjs
Written in	Python, JavaScript
Operating system	Windows, OS X, Linux
Available in	Python
Type	Ajax framework, Desktop and Web Widget toolkit, Compiler, Widget set
License	Apache License 2.0
Website	pyjs.org

Pyjs (formerly Pyjamas before May 2012^[2]), is a rich web application framework for developing client-side web and desktop applications in Python. The resulting applications can be run in a web browser or as standalone desktop applications.

It contains a stand-alone Python-to-JavaScript compiler, an Ajax framework and widget toolkit, and through use of these components, developers can write comprehensive applications, to run in all major web browsers, without writing any JavaScript. Pyjs is a port of Google Web Toolkit (GWT) from Java to Python.^[3]