Free 3rd partys are more and more popular today.
They are very convenient for us indeed. Now I am introducing 5 free WordPress comment systems to you, wish you like:
Disqus is a global comment system that improves discussion on websites and connects conversations across the web.
With a few quick steps, you can turn your old comment system into a new way to engage your visitors.
From small blogs to massive websites, Disqus is the easiest way to build active communities. It’s free to use and works with virtually any type of website.
Livefyre provides the most powerful suite of real-time tools for your site, including Live Comments, Live Blogs, and Live Chats. We build engagement and community for bloggers, publishers, TV networks and brands like nothing else on the market.
IntenseDebate is a feature-rich comment system for WordPress, Blogger, Tumblr and many other blogging/CMS platforms. IntenseDebate is WordPress’s company – Automattic‘s product.
4. duoshuo (from China)
Duoshuo is top 2 WordPress comment system (another one will be introduced in point 5.) in China. It is so popular in Chinese blogs because of simple and excellent UI, many features.
5. denglu (from China)