1) http://www.writelit.com/market — Markets listed and updated often.

2) http://www.smartwriters.com/content/blogcategory/25/18/ — Magazine markets for children’s writers.

3) http://www.jbwb.co.uk/markets.html — Lots of markets listed, most in the UK. You need to navigate around the site a bit to figure out where the markets are, but it is well worth the effort.

4) http://home.snafu.de/gadfly/a-c.htm — Canadian paying markets for your work.

5) http://www.forwriters.com/markets.html — Lots of markets for your work. Most listed here are paying, with some non-paying.

6) http://storypilot.com/ — A search engine that lets you find markets for your work. Mostly for fantasy and SF writers.

7) http://www.utmostchristianwriters.com/markets/wrpubs.php — Markets for Christian writers. Not all markets are paying, so read the writer guidelines.