Instacomment

A free comment service allowing website owners to instantly add a comment system to any website or blog.

CommentLuv

CommentLuv provides plugin that enables readers to post their comments.

Commentbox is a jsf component that allows quick realization of a comment functionality

Commentics is an advanced PHP comment script with many features.

A fast, bloat-free comments system to foster discussion on your website

Disqus is a global comment system that improves discussion on websites and connects conversations across the web.

Facebook comments plugin lets people comment on content on the site using their Facebook account.

HTML Comment Box widget for your website. Copy the HTML code and it just works!

IntenseDebate’s comment system enhances and encourages conversation on your blog or website.

Isso – Ich schrei sonst – is a lightweight commenting server written in Python and JavaScript.

JLex Comment is a comment system for Joomla.

Easy to set up, ad-free and reliable comment system

LiveRe provides comment management and content response solutions.

Master Comments System is a very compact comments system with basic options:

Metype is a complete engagement solution.

Remarkbox offers a free comment system to keep readers engaged with your content.

WordPhire is a free commenting software for Wordpress.

coComment is a service for managing, powering and researching conversations online.

talkatv is an open source comment service much like …