Cost / License
- Free
- Proprietary
Platforms
- Online
- Android
- iPhone
- Android Tablet
- iPad
Medium is a new place on the Internet where people share ideas and stories that are longer than 140 characters and not just for friends. It’s designed for little stories that make your day better and manifestos that change the world.



Search thousands of free and paid K-12 resources (apps, books, online courses, YouTube videos, whatever!) to find the right one for you, your kids, and your budget.




Wikibooks is a Wikimedia community for creating a free library of educational textbooks that anyone can edit.

The internet is great to provide us with our favorite TV shows free, early and watchable on demand. We always had to spend lots of time to keep up to date with the newest episodes. Until we created ted, our torrent episode downloader.



Wikiversity is a Wikimedia Foundation project devoted to learning resources, learning projects, and research for use in all levels, types, and styles of education from pre-school to university, including professional training and informal learning.

The OpenCourseWare Consortium is a collaboration of higher education institutions and associated organizations from around the world creating a broad and deep body of open educational content using a shared model.

A video-sharing platform allowing users to upload, view, and share videos, including clips, music videos, and educational content.




CourseFinder helps you find the course that’s right for you. Whether you're looking for a job, changing careers or just looking for a course to develop your hobby, CourseFinder is the perfect place to start.

We are an online tech magazine, dedicated to providing interesting articles, how-tos, and even fun trivia to our audience of geeky — and not-so-geeky readers. We’ve tried really hard to make sure that our content is understandable for regular people, but geeky enough that the...

Easily learn how to do anything from wikiHow, the world’s leading how-to guide. Step-by-step instructions on every imaginable topic. Become the DIY master of anything, instantly.



TED-Ed’s commitment to creating lessons worth sharing is an extension of TED’s mission of spreading great ideas. Within the growing TED-Ed video library, you will find carefully curated educational videos, many of which represent collaborations between talented educators and...

Offers real-time grammar checks, generative AI drafting, and comprehensive feedback on clarity, tone, and style for confident and polished writing.




Course Hero is an online learning platform where you can access over 25 million course-specific study resources contributed by a community of students and educators.



People come to Quora to ask questions about any subject, read high quality knowledge that's personalized and relevant to them, and share their own knowledge with others. Quora is a place to share knowledge and better understand the world.



Offers online courses from top institutions worldwide, integrating the latest technology to transform learning and allowing flexibility through open-enrollment courses.



The free Dictionary.com app delivers content from Dictionary.com and Thesaurus.com, including nearly a million words and definitions and 90,000 synonyms and antonyms. No internet required!



Vocabulary.com is the easiest, most intelligent way to improve your vocabulary. It combines an adaptive learning system (The Challenge) with the world’s fastest dictionary (The Dictionary) so that you can more quickly and more efficiently learn words.




Curiosity helps keep your brain intrigued through enlightening articles, infographics, video and other media.



Skillshare is an online platform offering diverse classes in areas such as Design, Art, Film, Photography, Animation, Music, Productivity, Writing, Marketing, Development, Crafts, Home & Lifestyle, and Personal Development.



Lynda is a web service, which provides video courses on many subjects, especially related to programming and software skills. Progress quizzes accompany each course and certificates are provided for succesful completion.




Provides university-level technical courses online with self-paced, interactive project-based learning, industry collaboration, mentorship, and certificates.


This online learning platform offers over 250,000 courses in subjects like programming, data science, and design. Available in 75+ languages with lifetime access.




Online platform with self-paced courses from universities and organizations, featuring certificates, degree programs, free and paid options, and skill development.



Khan Academy is not-for-profit with the goal of changing education for the better by providing a free world-class education to anyone anywhere.



Comments are only shown on the first page of the list.