IntenseDebate - IntenseDebate's comment system enhances and encourages conversation on your blog or website.
Asana - Asana project management is an effort to re-imagine how we work together, through modern productivity software. Fast and versatile, Asana helps individuals and groups get more done.
Juvia - A commenting server similar to Disqus and IntenseDebate
Sup! Standup Bot - The complete stand-up and follow-up bot
RbComment - RbComment - Zend Framework 2 module for drop-in, self-hosted comments, with email notifications...
Hive - Seamless project management and collaboration for your team.