美国免费Online计算机培训网站大全

本文根据这篇文章 12 New Companies That Will Make Going To College Unnecessary 以及其他的一些资料整理。学习计算机，其实最重要的是要自己有动力，当然，找到好的课程学习，可以事半功倍了。希望下面这些站点对想学编程的朋友以及想转行计算机的朋友有所帮助。

Udemy.com 是一个商业的网站，上面课程质量参差不齐，不过都是些实用课程，比如java，python，手机软件开发什么的。现在有免费的java入门课程，可以学习。Java for Complete Beginners。另外，有的同学曾经学过上面的免费的Python课程，觉得不错。Udemy.com 的特点是，课程并非专业的教师，更像是公司里的技术人员介绍经验，内容和演示都比较随意。但可以了解很多实际编程中的小技巧，比如一些快捷键、一些简写习惯等。

edX.org
大部分免费，有的课程是需要教科书的。 A collaboration between MIT, Harvard, Berkeley, and other partner schools that let you take courses normally offered on-campus online. Students may choose to simply audit classes or they can complete assignments for a grade in order to receive a Certificate of Mastery. Subjects offered include law, history, science, engineering, business, social sciences, computer science, public health, and artificial intelligence.

Coursera
Like edX, Coursera lets users take college courses from a wide range of schools around the United States. Topics of classes include humanities, medicine, biology, social sciences, mathematics, business, computer science, and more.

Udacity
Like edX and Coursera, Udacity lets you take a variety of classes online for free in subjects that currently include computer science, cryptography, and physics. Udacity plans to let users get college credit for completing their courses. Interestingly, some courses are taught by famous instructors like Steve Huffman, one of the creators of Reddit.

Khan Academy
A not-for-profit aimed at providing "a free world-class education for anyone anywhere." Subjects include physics, biology, chemistry, math, computer science, economics, history, and more. Classes are taught via instructional videos and interactive assessment tools.