Disqus offers the best add-on tools for site owners to power discussions, increase engagement, and earn revenue.
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.
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 very fast, feature-full, and privacy-focused comment service for handling discussions on the internet. At 4.6 kB with no dependencies, it's the fastest comment service around.