Those are our favorites (or just the ones we checked), but you can find a lot more here: awesome-javascript-learning
- MDN Tutorials
- NodeSchool workshops (obviously ;)) - free
- Codecademy - free
- Learn JS - free
- CodeSchool JavaScript RoadTrip - free
- Open Classroom - Tout sur le javascript (in French) - free
- Udacity - Intro to Computer Science - this one is in python, so you won't be learning javascript directly, but most of what you will learn there is valuable in the JS world too - free
- Learn Javascript A collection of short insights from junior to senior developers about how to learn javascript (you have to scroll down a bit).
- Node.js – Bonnes pratiques pour la programmation JavaScript applicative, universelle et modulaire - recent and in French
- eloquent javascript - free online (a French version of the first edition is also available)
- Clean Code
- lots of free books to learn JS
- Nodecasts
- Crockford on JavaScript
- jsconf
- What the heck is the event loop anyway?
- mpj on Functional programming
- grafikart.fr : JavaScript / NodeJS
- Mozilla Javascript guide (English, French and more)
- Node.js Docs
- LyonJS JavaScript talks