More resources are convenient and useful. A large collection for those who spend their time wisely (almost always).

1. 
BBC - Future - Every day you get smarter.
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2. 
99U (YouTube) - Many videos in which you will be told about how to improve your efficiency, creativity and even IQ.
3. 
Youtube EDU — A huge space of knowledge. For you.
4. 
WikiWand - You haven't seen this Wikipedia yet.
5. 
The long read (The Guardian) - Materials that need to devote a lot of time.
6. 
TED - Inspiring and enlightening videos for everyone.
7. 
iTunes U - Learn on the go. Learn every minute.
8. 
InsightfulQuestions - Intellectual discussions. Topics? Everything. People are different.
9. 
Cerego - Together with Cerego (as if with Sergey :)) you can build your curriculum, which will take into account all your strengths and weaknesses.
10. 
University of the People — Lots of free online courses.
11. 
OpenSesame - Again an excellent learning platform (courses).
12. 
CreativeLive - Creative class, unite. And learn!
13. 
Coursera —We simply could not turn it on. Impressive resource for finding new knowledge.
14. 
University of reddit — You can also share knowledge here.
15. 
Quora - you ask, and people discuss. Or are you helping someone find the answer.
16. 
Digital Photography School - For those interested in photography.
17. 
Umano - A huge collection of audio materials from completely different people.
+ 
Brain Pickings - Long-read posts. About everything in the world!
18. 
Peer 2 Peer University - A project that allows you to study right at home.
19. 
MIT Open CourseWare - Newly free courses.
20. 
Gibbon - Playlist for those who study constantly.
21. 
Investopedia - On finance, marketing, investment.
22. 
Udacity - For self-study, sometimes quite small.
23. 
Mozilla Developer Network - Resource for developers (here you can also learn!).
24. 
Future learn - Online courses! Suddenly?
25. 
Google Scholar - It's easy to search for books that you need. And the articles too.
26. 
Brain Pump - Drop in here to learn something new every day.
27. 
Mental Floss - Test your knowledge, scroll through interesting facts and amuse your brain.
28. 
Learnist — 
Life hacking for every day.
29. 
DataCamp - Courses for those who are not afraid of difficulties (and knows what data science is)
30. 
edX - Kursiki!
31. 
Highbrow - And the courses that will fall right into your box.
32. 
Coursmos - Microcourses.
33. 
Platzi - Online classes for those who want to learn more about design, marketing and code.
34. 
ProductHunt - A 
selection of startups every day.
35. 
Medium - Resource where you can just talk and share thoughts. Or find interesting materials (Topics vary: from philosophy to IT).
36. 
BusinessInsider - Drop in here to get information about what's going on in the world. And in different areas of society.
37. 
Vinepair - Which intellectual doesn’t dream to learn more about wine?
38. 
Quizzly - An application for those who like to train their brain and is always in motion.
39. 
Documentary Addict - A huge collection of documentary films.
40. 
Bookstk - Shelves of books by famous entrepreneurs. Read what inspired them!
41. 
Future Timeline - What will happen next with us (scientific approach)?
42. 
Toolset - The tools that you need.
43. 
Autospy - Only smart people learn from the mistakes of others. About startups that failed.
44. 
You are getting old! (We just remind) - Dear intellectual, it is reasonable to waste your precious time. And be, well, happy, for example.
And, of course, we are modest, 
icanchoose.ru.