Remarkbox

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

BurnZone Commenting

An engaging comment system that offers competitive features to increase traffic and engagement for…

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.

A native WordPress Disqus alternative with a focus on speed and privacy: 100% realtime native…

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

Add modern discussion and social interactions to your website

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

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

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.

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

Metype is a complete engagement solution.

SmartComment is a web-based software for public comments and outreach campaigns.

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

talkatv is an open source comment service much like …