The most popular alternative is Disqus, which is free. If that doesn't suit you, our users have ranked 29 alternatives to IntenseDebate so hopefully you can find a suitable replacement. Other interesting IntenseDebate alternatives are Isso (Free, Open Source), Commento (Paid, Open Source), utterances (Free, Open Source) and coComment (Free, Open Source).
- Disqus offers the best add-on tools for site owners to power discussions, increase engagement, and earn revenue.
- Commento is a popular, fast, bloat-free commenting system that you can embed on your blog, news articles, and more.
- A lightweight comments widget built on GitHub issues. Use GitHub issues for blog comments, wiki pages and more!.
- coComment is a service for managing, powering and researching conversations online.
- An embeddable comment widget for websites, blogs, ecommerce & static pages. Joint Comments distributes JOINT tokens (erc-20 based cryptocurrency) to publishers based on the value of traffic. It is free to use up to 250k page views / month.
- GraphComment is the next generation comments system. No more disorganized discussions piled on several pages. With GraphComment, you can easily follow the relevant discussions.
- 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