SolidOpinion

SolidOpinion is a fun, new and dynamic commenting platform.

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.

Add modern discussion and social interactions to your website

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

HyperComments offers tailored comment system for websites.

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.

JLex Comment is a comment system for Joomla.

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

Padlet Briefcase provides a virtual canvas for team collaboration that can be used for venn diagram, discussion board or for a business plan

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

Thrive Comments is a comment system for Wordpress.

Viafoura is an easy-to-integrate social monetization platform that enables your to better engage, understand and monetize your community.

Vuukle is a multi-point user engagement platform.

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

talkatv is an open source comment service much like …