参加公开课
edX — Take online courses from the world’s best universities.
Coursera — Take the world’s best courses, online, for free.
Coursmos — Take a micro-course anytime you want, on any device.
Highbrow — Get bite-sized daily courses to your inbox.
Skillshare — Online classes and projects that unlock your creativity.
Curious — Grow your skills with online video lessons.
lynda.com — Learn technology, creative and business skills.
CreativeLive — Take free creative classes from the world’s top experts.
Udemy — Learn real world skills online.
学习编程
Codecademy — Learn to code interactively, for free.
Stuk.io — Learn how to code from scratch.
Udacity — Earn a Nanodegree recognized by industry leaders.
Platzi — Live streaming classes on design, marketing and code.
Learnable — The best way to learn web development.
Code School — Learn to code by doing.
Thinkful — Advance your career with 1-on-1 mentorship.
Code.org — Start learning today with easy tutorials.
BaseRails — Master Ruby on Rails and other web technologies.
Treehouse — Learn HTML, CSS, iPhone apps & more.
One Month — Learn to code and build web applications in one month.
Dash — Learn to make awesome websites.
学习分析处理数据
DataCamp — Online R tutorials and data science courses.
DataQuest — Learn data science in your browser.
DataMonkey — Develop your analytical skills in a simple, yet fun way.
学习新的语言
Duolingo — Learn a language for free.
Lingvist — Learn a language in 200 hours.
Busuu — The free language learning community.
Memrise — Use flashcards to learn vocabulary.
扩大你的知识面
TED-Ed — Find carefully curated educational videos
Khan Academy — Access an extensive library of interactive content.
Guides.co — Search the largest collection of online guides.
Squareknot — Browse beautiful, step-by-step guides.
Learnist — Learn from expertly curated web, print and video content.
Prismatic — Learn interesting things based on social recommendation.
福利
Chesscademy — Learn how to play chess for free.
Pianu — A new way to learn piano online, interactively.
Yousician— Your personal guitar tutor for the digital age.