JavaScript today is not the JavaScript of the past --- it is now used to write powerful, server-side applications thanks to free software like Node.js and the V8 JavaScript engine." ...

Microsoft: Learn JavaScript programming language for free with our new course Programmers keen on building browser applications can take advantage of Microsoft's free JavaScript video course.

To help users avoid running proprietary JavaScript, the Free Software Foundation developed LibreJS, a plugin for the Firefox web browser that blocks most, but not all, JavaScript from running.