Free commenting script displays comments below posts rather than in pop-ups.

Free message board for weblog webmasters wanting to communicate with users. Displays inline comments.

Scalable tagging and commenting system that lets visitors leave you messages and talk to each other. Premium version has live chat capability.

Uses a bookmarking system to track comments so users can follow their conversations across blogs.

Free self-hosted commenting system with an ASP base. Layout can be customized using CSS.

Free, easy to install weblog commenting system allowing webmasters to receive feedback on their website.

A comment system for weblogs that can be used as a remote commenting system or can be installed on any server with cgi capability and Perl.

Add your comments to the web page you are currently reading for others who come after you, and read comments from people who came before you.

Add-On for Haloscan users to display the latest comments.

A free blabber board made specifically with weblogs in mind.