The most popular alternative is Disqus, which is free. If that doesn't suit you, our users have ranked 39 alternatives to CommentBox.io so hopefully you can find a suitable replacement. Other interesting CommentBox.io alternatives are Isso (Free, Open Source), Commento (Paid, Open Source), ReplyBox (Paid) and utterances (Free, Open Source).
- GraphComment is the next generation comments system. No more disorganized discussions piled on several pages. With GraphComment, you can easily follow the relevant discussions.
- 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.
- ommentics is a free, advanced PHP comment script with many features. Professionally written and with open source code, its main aims are to be integrable, customizable and secure.
- Metype is a complete engagement solution. It keeps your audience hooked by allowing rich media comments, reactions and sharing options. Create a free account instantly and be on your way to engage and build your audience.
- A commenting server similar to Disqus and IntenseDebate
Licensed under AGPL: https://github.com/phusion/juvia/blob/master/LICENSE.TXT
- IntenseDebate is a feature-rich comment system for WordPress, Blogger, Tumblr and many other blogging/CMS platforms.
- Commentar is a self hosted open source commenting system which can easily be integrated into any existing system.
- 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.
- Comments Box is a social plugin that enables user commenting on your site. Features include moderation tools and distribution.