Docuss

Docuss is a comment/discussion/collaboration system for your website or web app

Badoo

Badoo combines elements of dating apps and social media platforms to create a unique way of meeting potential romantic interests.

Beego Web is official blog and documentation website for beego app web framework

Blogging made simple.

Commentar is a self hosted open source commenting system which can easily be integrated into any…

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.

Everything for a fun date delivered to your door

The Web framework for perfectionists with deadlines

Golang HTTP server framework

Mini social networks for all your personas

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

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

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

RbComment - Zend Framework 2 module for drop-in, self-hosted comments, with email notifications…

Schnack is an open source commenting system written in JavaScript.

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

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

talkatv is an open source comment service much like …