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. Open source at its core, Commento guarantees you privacy and does not include third-party trackers and advertisements, unlike alternatives such as Disqus.
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.
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. It is designed to be integrated into existing pages.This app doesn't have any features at the moment.
Lyket is perfect for blogs, portfolios or e-commerces, it lets you add like buttons or clap buttons in any website in just a few minutes and with just a few lines of code.