What are the best websites that offer free computer skills tips needed in the work space? Can you recommend some?

https://www.codecademy.com

http://www.lynda.com

https://www.udacity.com/

https://www.coursera.org/

The Best website i can recommand to improve our computer skills, is :

https://openclassrooms.com

Try these websites:

https://alison.com

http://m.lynda.com

http://meganga.com

Codeacademy.com

coursera.com

edx.com

www.forbes.com

The simplest way is in You Tube.

The sites listed simplifies complicated stuffs with very good visual representations and instructions. There are plenty of free tutorials that are advanced but some needs for you to be premium.

Computer-related: How to Geek

Multimedia: TutsPlus and Lynda

You can check rwaq in arabic and udmy in english and if you want in programming  abdullah Aid and its all free and you can see yotube freeforarab it good also

The best website to offer free computer skills in the classroom,library in the hospital's,

GitHub

StackOverflow

tutorialspoint.com

topcoder

http://www.gcflearnfree.org

https://www.coursera.org

https://www.ctdlc.org

http://www.alfatyping.com

http://www.bbc.co.uk