Open Education

The Leaders
Khan Academy

Khan Academy

Launched in '06

Started as a series of video tutorials for Salman Khan to teach his niece math, Khan Academy has since exploded into many subjects like history, heathcare, medicine, finance, science, econ, art, and CS.

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Coursera

Launched in '12

Founded by Stanford professors, Coursera differs in having defined start and end times so that all students go through at the same time like a traditional university. The advantage is you have peers to motivate you and give feedback. The downside is you can only pick courses available when you're looking.

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edX

Launched in '12

Like Coursera, but not for profit, & founded by Harvard and MIT. edX is taking its time, but arguably building a more complex and capable online learning platform. Coursera is going full-steam ahead with university partnerships, but the courses might not be able to offer the rigor you'd expect or want from Stanford, Princeton, or UPenn.

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Udacity

Launched in '12

Created by Sebastian Thrun of Stanford's DARPA winning (now Google) self-driving cars, Udacity offers advanced CS, you can learn how to create a search engine or even the engineering behind self-driving cars.

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Udemy

Launched in '10

More focused on vocational subjects, rather than college courses. Has a model that serves as a platform between independent educators & independent students. Offers courses for free- $100, set by the teachers. Also has defined course start and end times.

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iTunes U

Launched in '07

Apple's shot at transforming education. Comes with iPhone and iPad apps to keep track of what you've watched, read, and your progress. Great resources from Top Universites, and at your own pace. If you're looking at iOS development, definitely should look at the top rated Stanford course.

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Chegg

Founded in '05

Don't waste money on expensive textbooks. Chegg is a place to buy, sell, or even rent textbooks.

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Academic Earth

Launched in '09

A nice interface, and curated lists by their staff that selects top courses from Ivy League universites. Also some nice 'video electives' like 'How to Take a Punch', 'TL;DR Atlas Shrugged', or 'The Psycology of the Internet Troll'.

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Lynda

Founded in '95

Starting at $25/month, offers more than 2,400 courses in business, design, web, programming, photography, video, 3D animation, audio, education, & CAD.

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Another massive list of all sorts of educational links, organized by subject. Also, links to tons of free documentaries.

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Open Culture

Since '09

Not the best organized, but a massive repository of all sorts of free educational links, courses, audiobooks, k-12 resources, etc.

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Code School

Since '11

Great coding courses that each specify on some area of web, backend, frontend, or app design. They offer a few for free but a subscription is only $30/month.

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Codecademy

Since '11

Codecademy is a fun, interactive way to learn coding in HTML, CSS, Javascript, Python and more. Each lesson will let you type real code and then give you feedback to what you missed. The actual lessons are submittable by basically anyone so there is a collaborative community/teacher aspect.

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Treehouse

Founded in 2011

Starting at $25/month, learn from over 100 courses on HTML, javascript, design, CSS, Ruby, PHP, iOS & Android.

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Thinkful

Since '13

Learn to code from anywhere. For courses ranging from $300-$500/month, get paired with a one on one code mentor, videochat to stay up to date on your projects/progress, & learn Front-end Web, Python, Ruby, iOS, Angular, and now Swift.

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CSS, Flash, HTML, Illustrator, Java, JavaScript, Maya, Photography, PHP, Ruby, and 3DS max, they offer many high quality tutorials for coders and designers.

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Lumosity

Launched in '07

My LPI is over 1700. Can you compete? I recommend these brain games to all my friends & family, and think brain health is as important as physical.

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Duolingo

Launched in '11

Learn a new language, free, while helping to translate the web.

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Freerice

Since '07

Feed the world while learning trivia, and strengthening your vocabulary. Your eyeballs are worth enough to pay for people's meals. It's a win-win.

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Fold it

Since '08

Fold it combines the power of human pattern recognition with the internet power of crowdsourcing. Simply download the app, and begin folding proteins and helping scientists understand the nature of biology.

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Galaxy Zoo

Launched in '07

Experience a privileged glimpse of the distant universe, observed by the Sloan Digital Sky Survey and Hubble Space Telescope. If you're quick, you may even be the first person to see the galaxies you're asked to classify.

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Wordsplay

Since '07

Boost your vocabulary with this online version of the popular word game Boggle. Try to spell out as many words that connect out of a 4x4 square or a 5x5 square.

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Sporcle

Since '07

Sporcle is a web site and mobile application that provides fun and addictive quizzes. Games range from trivial diversions to educational study guides.

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Quizlet

Since '07

Create your own flashcards, or use learn subjects from the ready-made sets on language, test prep, chemistry, anatomy, history, geography, accounting, art, poetry, music, and more.

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TED

Since '06

Mind-blowing talks from some of the world's most brilliant people. Here's a list of top talks according to user engagement.

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RSA Animate

Since '12

Talks and speakers similar to TED. They then condense these ideas into 5 minute drawing to help you follow along, it's bloody brilliant!

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Ignite

Since '10

If you thought TED was sacrificing brevity for substance, then walk away. If, on the other hand, you're used to 2 minute internet videos...Ignite is a geek event in over 100 global cities. Presenters share their personal and professional passions, using 20 slides that auto-advance every 15 seconds for a total of just five minutes.

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Fora.tv

Founded in '05

Gathers a large collection of videoes from live events, lectures, debates at universities, think tanks, & conferences. A digital forum to discuss public affairs, politics, culture, historic speeches, & more.

Information is Beautful is run by David McCandless, who is a data journalist, information designer and is passionate about visualizing information and infographics. He's interested in how this can help us understand the world, cut through BS and reveal hidden connections, patterns and stories underneath. A terrific collection of infographics.

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City Data

Launched in '03

Explore visual mapping of your neighborhood. Find the rich people, people of different ethnicities, the unemployed, median home prices, median rent, as well as over 100 other metrics.

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Gapminder

Since '04

Hans Rosling, made famous by his incredible TED talks, visualized with his data software. Gapminder uses Rosling's 'bubble' software that lets you go forward and back in time and watch trends unfold. From the GDP, health, unemployment, to aid, these stats provide a great look at where our world is headed.

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Prezi

Since '08

Wow everyone in the office with the coolest powerpoint presentation. Prezi is a nifty web app that makes dynamic zooming, rotating, shifting, moving views, etc. to make your presentation have a personality similar to RSAnimate.

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Wikipedia

Launched in '01

Wikipedia has become the definitive free encyclopedia on the web. From trivial topics to hardcore science, wikipedia can help you learn anything you're looking for.

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Wolfram Alpha

Since '09

By the creator of MatLab, Wolfram Alpha introduces a fundamentally new way to get knowledge and answers, by doing dynamic computations based on a vast collection of built-in data, algorithms, and methods. Amazing.

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Erowid

Founded in '95

Erowid is a member-supported organization providing access to reliable, non-judgmental information about psychoactive plants, chemicals, and related issues. Definitive source for unbiased drug information, health, legality, and experiences.

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Duck Duck Go

Launched in '04

Like Google, but they don't track you.

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Bing

Launched in '09

Microsoft's search engine. Where you go when Google lets you down.

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Pipl

Since '07

Pipl scours databases and indexes that standard search engines normally don't touch. If it's there to be found, Pipl returns all manner of things about the person you're searching for, including blog entires, photos, publications, donations on public record, profiles on social and business networking sites, and other overlooked sources.

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TV Tropes

Launched in '04

Tropes are devices and conventions that a writer can reasonably rely on as being present in the audience members' minds and expectations. On the whole, tropes are not clich├ęs. They recognize tropes, categorize, and play with them, not make fun of them.

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Web MD

Founded in '96

Trusted medical knowledge. Convince your doctor you know more than he does because you've already done the research, become a hypocondriac, and find out that a headache is a symptom of everything.

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Snopes

Launched in '95

Snopes is the Mythbusters of the internet. It's the internet reference source for urban legends, folklore, myths, rumors, and misinformation.

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Made How

Since '06

How Products Are Made explains the manufacturing process of daily household items to complicated electronic equipment and heavy machinery.