Javascript
- Basic Javascript for the impatient programmer - Dr. Axel Rauschmayer
- Book of Modern Frontend Tooling
- Crockford's Javascript - Douglas Crockford
- Dev Docs
- Developing Backbone.js Applications - Addy Osmani
- Eloquent Javascript 2nd edition - Marijn Haverbeke
- Google Javascript Style Guide
- Human Javascript
- Javascript Allongé
- Javascript Bible (PDF)
- Javascript Enlightenment - Cody Lindley
- Javascript Essentials
- Javascript Fundamentals, Plus a Dash Of JQuery - for dinner ladies
- Javascript Garden (Maintained by Tim Ruffles)
- Javascript Patterns Collection - Shi Chuan
- Javascript Succinctly, Syncfusion (PDF, Kindle) (Just fill the fields with any values)
- Javascript the Right Way
- jQuery Fundamentals (starts with Javascript basics)
- JS Robots
- Leaflet Tips and Tricks: Interactive Maps Made Easy - Malcolm Maclean
- Learn to Code Javascript by Playing a Game
- Learning Javascript Design Patterns - Addy Osmani
- Managing Space and Time with Javascript - Book 1: The Basics - Noel Rappin
- Marionette Exposé: Learn to write modular Javascript applicatons using Backbone Marionette and RequireJS/AMD - Jack Killilea
- Mozilla Developer Network's Javascript Guide
- Oh My JS (Leanpub, by Azat Mardanov)
- O'Reilly Programming Javascript Applications - Early Release
- Patterns For Large-Scale Javascript Application Architecture - Addy Osmani
- Speaking Javascript - Dr. Axel Rauschmayer
- The Javascript Tutorial
- The Problem with Native Javascript APIs (PDF)
- Understanding ECMAScript 6 (Leanpub, by Nicholas C. Zakas)
- You Don't Know JS