Grassroots Football: 

http://www.teamgrassroots.co.uk/coaches-library/

Soccer Expert:

https://www.soccerxpert.com/

Four Four Two:

https://www.fourfourtwo.com/performance

Keep It On The Deck:

https://www.youtube.com/user/Keepitonthedeck?feature=watch

Soccer Pilot:

http://www.soccerpilot.com/