Technical/Fundamental/Other Screeners:
http://markets.usatoday.com/custom/usatoday-com/screener/screener.asp
http://screener.finance.yahoo.com/newscreener.html
http://moneycentral.msn.com/investor/finder/predefstocks.aspx
http://www.marketwatch.com/tools/stockresearch/screener/
http://www.investor.reuters.com:80/ReadHTML.aspx?target=%2fopinion%2ffind%2fabout
Technical Scans:
http://stockcharts.com/def/servlet/SC.scan
http://www.stockfetcher.com/
http://www.smallcapcenter.com/tools_technicalSearch.asp?page=ANALYTICSSEARCH_IN.ASP
http://clearstation.etrade.com/cgi-bin/events?Cmd=techev
http://www2.barchart.com/sigtop.asp
http://www.stockta.com
----
A small list so far, feel free to add links.
BadarZ