CodeAvengers!

Codecademy is the easiest way to learn how to code. It's interactive, fun, and you can do it with your friends.

Free Code Camp's open source community help you build a job-worthy portfolio of real apps used by real people, while helping nonprofits.

W3Schools is a web developers information website, with tutorials and references on web development languages such as HTML, CSS, JavaScript, PHP, SQL, and JQuery, covering most aspects of web programming.

Lynda is a web site to get training on many subjects especially on computer related subjects. You are trained through videos and tests. This is unfortunately not free, but paid based on how long you are a member.

Code.org is a non-profit whose goal is to expose all students to computer programming. We believe that computer programming is a liberal art; it's something EVERY student in the world should be exposed to at some point in their childhood education.

Code School teaches web technologies in the comfort of your browser with video lessons, coding challenges, and screencasts.

Free tutorials and reference manuals with examples for Computer Fundamentals, JSF, C Sharp, Flex, GWT, PL/SQL, Eclipse, JUnit, Pascal, Maven, Scala, Spring, Struts 2, HTML5, ANT, iBATIS, Django, JSP, JAVA, JDBC, AJAX, WAP, SQL, MySQL, C/C++, PERL, PHP, Ruby, Ruby on Rails, Python, HTML, XHTML, CSS, CGI, Shell, Unix, JavaScript, jQuery, Radius, UML, GPRS, GSM,i-Mode, WiFi, WML, WiMax, SOAP, UDDI, Socket, WSDL, Makefile, Prototype, Six Sigma, CMMI, EVM, PMP Exams.

Treehouse teaches Web Design, Development and iOS to people everywhere, in order to help them achieve their dreams and change the world.

Learn Web Design and Development with SitePoint tutorials, courses, and books - HTML5, CSS3, JavaScript, PHP, mobile app development, Responsive Web Design

Web development tutorials, including jQuery tutorials, PHP tutorials, JavaScript tutorials, PSD to HTML tutorials, CSS tutorials and more. Learn how to code like a pro.

Learn JavaScript for web development with AngularJS, React, D3, and other modern tools.

Coderbyte is a place built for anyone to practice and perfect their programming skills. Challenges are added almost every day so you can work on applying your algorithmic thought process on any problem you want at anytime. Coderbyte is built on improving your ability to work on common logic, mathematical, and algorithmic problems you might one day encounter.

BlueJ is an Integrated Development Environment for Java, developed mainly for educational purposes, but also suitable for small-scale software development. It was developed to support the learning and teaching of object-oriented programming, and its design differs from other development environments as a result.