Remark42 is a self-hosted, lightweight, and simple (yet functional) comment engine, which doesn't spy on users. It can be embedded into blogs, articles or any other place where readers add comments.


Cusdis is described as 'Open source, lightweight (~5kb gzip), privacy-friendly alternative to Disqus' and is a comment platform in the social & communications category. There are more than 25 alternatives to Cusdis for a variety of platforms, including Web-based, Self-Hosted, SaaS, Wordpress and Linux apps. The best Cusdis alternative is Disqus, which is free. Other great apps like Cusdis are Zoomment, Isso, EchoThread and utterances.
Remark42 is a self-hosted, lightweight, and simple (yet functional) comment engine, which doesn't spy on users. It can be embedded into blogs, articles or any other place where readers add comments.


Cactus Comments is a federated comment system for the web, based on the Matrix protocol. The system is easily embedded, respects you and your users privacy and is completely free and open source.


HashOver is a PHP comment system intended as a replacement for services like Disqus. HashOver is free and open source software, under the GNU Affero General Public License. HashOver adds a "comment section" to any website, by placing a few simple lines of JavaScript or...

HTML Comment Box is an easy wasy for your website to receive, and optionally approve/delete comments from your visitors.
IntenseDebate is the premier commenting system available on the Internet for blogs and websites. IntenseDebate comments enhances and encourages conversation on your blog or website. With IntenseDebate you can give your blog readers the opportunity to better engage your blogs...
A commenting server similar to Disqus and IntenseDebate
Licensed under AGPL: https://github.com/phusion/juvia/blob/master/LICENSE.TXT.

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

Commentar is a self hosted open source commenting system which can easily be integrated into any existing system. It is a modular system and some features that will be implemented are:
Master Comments System is a very compact comments system with basic options:
Comments can be accepted from all users or only registered users. Admin can Edit/Delete/Ban. Users can Edit/Delete their last posted comment. Admin can view the IP/Browser of the user who posted the com.
A native WordPress Disqus alternative with a focus on speed and privacy: 100% realtime native comments in a tiny little package that is fully CDN and cache compatible.

