.gov Backlink Checker
Backlink Checker Tool lets you check backlinks from .gov domains pointing to any website using the .gov Backlink Checker. This tool investigates pages from .gov domains indexed in search engines with backlinks to your site.

Authority Link Checker
Find authority links from DMOZ, Yahoo! Directory, .edu and .gov sites.

DMOZ Backlink Checker
Find backlinks from DMOZ for any domain name using this DMOZ Backlink Checker Tool.

Multiple .edu Backlink Checker
Find authority .edu backlinks for multiple domains.

Multiple .gov Backlink Checker
Find authority .gov backlinks for multiple websites with this Multiple .gov Backlink Checker

Multiple Authority Link Checker
Find authority backlinks for multiple sites. Multiple Authority Link Checker

Multiple DMOZ Backlink Checker
Find backlinks from the DMOZ directory for multiple domains using Multiple DMOZ Backlink Checker tool.

Yahoo Directory Backlink Checker
Yahoo Directory Backlink Checker finds how many backlinks a website has in Yahoo! Directory.