Helpful websites to find ETFs:
https://just-etf.com
ETF.com
http://fmdcapital.com/investor-insights/blog/
https://www.wisdomtree.com/blog
https://seekingalpha.com/etfs-and-funds
http://www.etfexpert.com/
https://exponentialetfs.com/blog/
https://www.etfguide.com/news/