Free Code Camp's open source community help you build a job-worthy portfolio of real apps used by real people, while helping nonprofits.
SoloLearn offers tools for learning to code across multiple languages, available across web and multiple mobile platforms. The mobile-first apps focus on learning through community interaction including sharing of user-generated content and head-to-head challenges.tags: c-plus-plus challenges educational educational-tool java platform: Online Android iPhone Windows Phone Facebook
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.tags: educational training online-education software-training online-tutorials platform: Online
Pluralsight is the global leader in high-quality online training for hardcore developers and IT pros. The revolutionary Pluralsight training library provides techies with instant access to a rich collection of online training courses delivered by industry authorities. See what you can learn at pluralsight.com and join the @pluralsight community on Twitter.tags: educational training online-education software-training online-tutorials platform: Online
Code School teaches web technologies in the comfort of your browser with video lessons, coding challenges, and screencasts.tags: educational educational-tool ifttt-integration interactive-lessons online-education platform: Online
Treehouse teaches Web Design, Development and iOS to people everywhere, in order to help them achieve their dreams and change the world.tags: sync-on-many-devices web-design web-development platform: Online
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.tags: learn-a-programming-language programming platform: Online