A wise woman once said, “You must feed your mind with reading material, thoughts, and ideas that open you to new possibilities.” Now, who are we to dispute Oprah? The woman has her “OWN” channel! (Get it?) She must be on to something.

Let’s face it, curiosity led Neil Armstrong to the moon, Lewis and Clark out West and Amelia Earhart around the world. We are continuously learning new things by breaking the barriers of the unknown. Here are eight websites you can use keep moving forward.

Photo courtesy of Thomas Leuthard

1. SkilledUp

SkilledUp is an online course discovery platform built to help shape the future of learning. You can find online courses, enhance or hone in on your skills and get introduced to alternative educational opportunities.

All you have to do is type in a keyword. You can learn (or brush up) on a language, enhance your digital marketing skills or even learn more about current trends. This website allows you to find courses, articles, skills or careers related to the keyword you type in. It’s all in one website!

2. Khan Academy

Khan Academy is dedicated to letting you learn anything. Its free, it’s for anyone and it’s forever. You can take control of your learning by working on the skills you choose at your own pace.

All you have to do is sign up, start searching through the subjects, and start learning. Most of the content is in video format and you can go at your own pace. This website is a great tool for teaching in an understandable manner.

While it is a better website to work on core classes such as science and math, it is jam packed with information and there is something for everyone to learn. It’s home to more than 3000 videos on subjects ranging from SAT prep to cosmology, art history to entrepreneurship.

3. Coursera

Coursera aims to provide universal access to the world’s best education. How do they do it? They have created an education platform that partners with top universities and organizations worldwide, where they offer online courses for anyone. The best part is, they are free!

You can search through hundreds of courses created by the world’s top educational institutions. There may be a set time frame for the classes, but you can go at your own schedule. They offer nearly 400 courses ranging from successful negotiation to organic solar cells.

4. Open Assembly

Open Assembly is a collaborative learning environment optimized for open education and designed to enable educators and students to co-create knowledge. As a student, you can build and share your learning path, connect and interact with peers in learning communities, access open textbooks and own your data. You don’t lose your work once a course ends.

Once you sign up there are a lot of great courses to choose from – everything from an Introduction to Marketing to Sociology or even professional development courses.

5. Academic Earth

Academic earth is a free course aggregator (similar to Coursera) with courses from across the globe. They have over 19 top universities ranging from Harvard to University of Oxford, where they aim to help you gain knowledge and insights.

Most of the courses are in video format. Each video in a topic covers one subject and is jam-packed with valuable information. It’s perfect for those on the go, as videos are only a couple of minutes long. Each course is ranked by user, so you’ll know which courses are the best.

6. Code Academy

Code Academy is an education company committed to helping users learn to code interactively, for free. Coding gives you the ability create anything you want. Currently they have more than 24 million existing learners (and they’re still growing).

You can invest in learning to build websites, core programming concepts, create goal based projects and more. All the lessons have easy to understand step-by-step instructions. If you ever need help, you only have to ask for a hint.

7. TED Talks

TED is a nonprofit dedicated to spreading ideas. These are usually in the form of short, powerful talks of 18 minutes or less. These talks are amazing and there are thousands of talks on all sorts of topics.

TED Talks may not be a formal type of education, but they do provide insightful and inspirational information. If you aren’t into videos, they also have blogs, books, and studies that will leave you inspired with a new perspective. Give it a shot.

These are just a few of many websites you can use to keep moving forward. What are some other websites you all have used before? Let us know in the comments below.