Ten Things Debaters Should Know

http://www.csun.edu/~dgw61315/aboutecon.html

Macro - Micro Economics Book

http://www.web-books.com/eLibrary/Category/Social.htm

Audio Portal

http://workforall.net/

Free software and computer simulation

http://www.economicswebinstitute.org/software.htm

Online

http://wikieducator.org/Economics_Textbooks_Free_and_Online
http://www.economicsonline.co.uk/

Free

http://www.openculture.com/economics_free_courses
https://www.fraserinstitute.org/economic-freedom

https://www.google.com/search?q=Economic+Freedom

EconomyMeltdown's Channel

http://www.youtube.com/user/EconomyMeltdown#g/u

100 Best Blogs for Econ Students

http://www.onlineuniversities-weblog.com/50226711/100-best-blogs-for-econ-students.php

Top 100 Economics Blogs

http://www.currencytrading.net/features/the-top-100-economics-blogs/

Visual Economics

https://www.youtube.com/@visualeconomiken/videos

Engineering economics / Tutorial / PPT / Videos

http://en.wikipedia.org/wiki/Engineering_economics
http://www.isr.umd.edu/~austin/ence202.d/economics.html

https://www.slideshare.net/PrabuU2/introduction-to-engineering-economics 

https://www.google.com/search?tbm=vid&hl=en&source=hp&biw=1024&bih=606&q=engineering+economics