DISQUS - Disqus is a global comment system that improves discussion on websites and connects conversations across the web.

Chaordix Community Platform - Chaordix Community Platform is the digital platform that is used to build the community and engage customers for your brand by launching various activities and challenges.

IntenseDebate - IntenseDebate's comment system enhances and encourages conversation on your blog or website.

Opentute - Opentute helps businesses to effortlessly launch a private eLearning and communication platform to engage teams and clients.

Commentbox - Commentbox is a jsf component that allows quick realization of a comment functionality

Ruzuku - Ridiculously easy online courses