Spirit is a modern discussion platform. Notifications Receive an automatic notification everytime someone mentions your @name, ...

Commento is a popular, fast, bloat-free commenting system that you can embed on your blog, news articles, and more. Open sourc ...

Isso – Ich schrei sonst – is a lightweight commenting server written in Python and JavaScript. It aims to be a drop-in replace ...

jskomment is an open source commenting system that is built on javascript and AJAX.

Disqus is the web’s most popular discussion system. It's a global comment system that improves discussion on websites and conn ...

Discourse is an open source discussion platform built for the next decade of the Internet. A modern forum, everything's been r ...

Comments Box is a social plugin that enables user commenting on your site. Features include moderation tools and distribution. ...

Metype – A complete engagement solution for your website. It keeps your audience hooked by allowing rich media comments, react ...

RbComment - Zend Framework 2 module for drop-in, self-hosted comments, with email notifications, Akismet, ZfcUser and Gravatar ...

A commenting server similar to Disqus and IntenseDebate Licensed under AGPL: https://github.com/phusion/juvia/blob/master/LICE ...

talkatv is an open source comment service much like Disqus or IntenseDebate .

HashOver is a PHP comment system intended as a replacement for services like Disqus. HashOver is free and open source software ...

Commentar is a self hosted open source commenting system which can easily be integrated into any existing system. It is a modu ...

The complete discussion system for your site Muut powers lively discussions for tens of thousands of sites, making users happi ...

Just Comments is a simple and reliable commenting system for any website. Its features include easy integration, custom authen ...