ETF Connect 
Tutorials and extensive research information for investors in exchange-traded funds and closed-end funds.
http://www.etfconnect.com/About - Exchange Traded Funds 
Information about ETFs, including articles, links and resources to help you better understand the difference between exchange traded funds and mutual funds.
http://mutualfunds.about.com/cs/etfs/
American Stock Exchange ETFs 
Exchange-traded fund section of the American Stock Exchange (AMEX) website. Provides tutorials and information about the ETFs that are traded at this stock exchange that specializes in that market.
http://www.amex.com/?href=/etf/EtMain.jsp
ETF Digest 
Strategies and analysis of investing in exchange-traded funds and closed-end funds.
http://www.etfdigest.com
ETF Expert 
Daily stock-market commentary with a focus on Exchange Traded Funds (ETFs).
http://www.etfexpert.com
ETF Guide 
News, commentary, and interviews from the ETF industry.
http://www.etfguide.com
ETF Trends 
Daily research and commentary on ETF news. Frequent analysis of 200-day moving averages for different funds.
http://www.etftrends.com/
ETF Zone at IndexFunds.com 
News, articles and lists of exchange traded funds.
http://www.indexfunds.com/ETFzone.htm
Morningstar ETF Center 
How-to articles, financial reports, news and commentary about exchange-traded funds.
http://www.morningstar.com/Cover/ETF.html
The Seeking Alpha ETF Investing Guide 
Tutorial articles about exchange-traded fund investments, organized as a step-by-step guide. One-page summary included.
http://seekingalpha.com/article/15134-the-seeking-alpha-etf-investing-guide
Closed-End Fund Center 
Database of all domestic closed-end funds including daily NAV and market prices. Includes education, research articles and news and information from leading companies.
http://www.closed-endfunds.com
Closed-End Fund Advisors, Inc. 
Information about the firm and its managed portfolio models, and e-mail newsletter with CEF manager interviews and industry coverage.
http://www.cefadvisors.com
Fundsdata Ratings 
Closed-end fund ranking based on discount from net asset value (NAV), annual expense ratio, and plans to reduce discount.
http://www.fundsdata.com
Check Analysis and Rating 
Rates closed-end funds on a 5 point scale. Methodology is explained in detail in both German and English.
http://www.check-analyse.de/englisch/