JSON Courses

MongoDB for DBAs
MongoDB University

MongoDB for Node.js Developers
MongoDB University

Web Engineering II: Developing Mobile HTML5 Apps
Technische Hochschule Mittelhessen via iversity

Programming Mobile Services for Android Handheld Systems: Communication
Vanderbilt University via Coursera

HTML, CSS, and Javascript for Web Developers
Johns Hopkins University via Coursera

Networking and Security in iOS Applications
University of California, Irvine via Coursera

Web Applications for Everybody
Independent

Build Web APIs using ASP.NET
Microsoft via edX

MongoDB Basics
MongoDB University

JavaScript, jQuery, and JSON
University of Michigan via Coursera