@james04kMar 05.2013 — #There are plenty of plugins applications and website who provide this service to check backlink. Some sites will ask you to verify your website before checking and some without verifying. I prefer google webmaster tools to check backlinks but you have to verify your website to check backlinks on google tools.
@IvoryMar 07.2013 — #I use Google Webmaster Tools to check backlinks to my own website and www.moonsearch.com to check out my competitors' backlink profiles.
@smartkathyMar 07.2013 — #Quality backlinks are strong pillar of any website. You can check your backlinks from opensiteexplorer.org, majesticseo, GWMT etc. I know these 3 are the best tools to watch backlinks.