xCounts
- Tracking and other tools designed specifically for Xanga users.
- http://www.xcounts.com/

Popdex
- Tracking link popularity among weblogs
- http://www.popdex.com

Blogdex
- The weblog diffusion index, tracking news and memes as they spread through the world of weblogs.
- http://blogdex.net

BlogPatrol
- Free stats for bloggers: hit counters, visitor tracking, top referrer tracking, traffic projections, keyword tracking.
- http://www.blogpatrol.com/

Freshblogs.com
- Enables web users to track new content on their favorite weblogs. The published watchlist displays the most recently updated sites at the top. As time passes, weblogs that are updated less frequently will drop in freshness and disappear from the list.
- http://www.freshblogs.com/

Stephen's Web Referrer System
- A free to use java referrer system. For blogs, and personal sites in general, who want to see who links back to them.
- http://www.downes.ca/referrers.htm

Blogtracker
- Service to show the most recent updates to blogs.
- http://www.dansanderson.com/blogtracker/