| Yahoo answers |
| How stuff works |
| Lynda - online video tutorials |
| Fixya - ask and find answers |
| Computational Knowledge engine |
| TED - Video lectures |
| Coursera - Free online courses from top universities |
| Duolingo - Learn languages online |
| Instructables - How to make instructions |
| World factbook |
| Code academy - Learn to code |
My webmarks