Coding tutorials and training classes

Free

• Tree house
• Cursera
• Lyda
• Skillshare
• Linked-in learning
• Rosettacode.org
• Udemy
• Edx
• Alison
• Future learn
• tuts+
• Kahn Academy
• codementor
• csharp-video-tutorials
• system-design-primer
• Automation Step by Step

For pay

• Udacity
• Educative

Other educational sites

• Open Culture
• Open learn
• brilliant.org
• www.masterclass.com
• grasshopper from google
• backtoswe