I got my first computer at around age 11, and by the age of 13 I got bored with what I could do, so I started to look into a way to make the computer do what I wanted. Back then, I had a Windows XP machine, so the obvious choice (and easiest) was .NET, Visual Basic to be more specific. I started learning how to code from internet forums, mostly MSDN forum in the Visual Basic section. I didn't link my account because it's something that I don't do anymore, but if you do a bit of digging, you'll surely find me with ease.
Mid high-school I helped a company for free with some mobile apps, so I migrated towards Objective-C and Java. Not much to add here, I only have a repo on git in OBJ-C, most of the code was under NDA with no option to opensource any of it.