Script Control System SEO Tools

77 free tools for SEO and website research.

Social Web Tools

Social networking and social bookmarking tools.

Delicious Link Checker
Find out how many Delicious bookmarks there are for a single site.

Digg Links Checker
See how many links a site has on Digg.

Multiple Delicious Link Checker
Check multiple sites for links bookmarked in Delicious.

Multiple Digg Links Checker
Find Digg links for multiple websites.

Twitter Links Finder
Find links on Twitter to one website.