Marketleap is a website that offers three free search engine marketing tools that i think can be useful for search success.

1. Link Popularity Check: The Link Popularity Check tool help website owners to find out who is linking to their site. With you can check the total number of links that a search engine has found for your website and for your competitors. You simply enter your website url and up to three comparison URLs and optionally your industry and this tool will generate a report with the number of links that a search engine found for your website. The Link Popularity Check tool works with Google, Aol, HotBot, Yahoo, Fast and Altavista.
2. Search Engine Saturation: Search Engine Saturation refers to the number of pages a given search engine has in its index for your website domain. With this tool you can create some meaningful benchmarks for your search engine marketing campaigns. You only need to enter your website domain name and optionally up to five comparison urls.
3. Keyword Verification: This verification tool checks to see if your site is in the top three pages of a search engine result for a specific keyword. The Keyword Verification tool works with Google/AOL/HotBot, Google, Lycos Pro, MSN, Netscape and Yahoo!/FAST/AltaVista. Simply enter your website domain name and the keyword/phrase you want to verify.

Best regards,