PhraseExpress - PhraseExpress is one of the best and most fully featured text expansion apps available to Windows users.
DISQUS - Disqus is a global comment system that improves discussion on websites and connects conversations across the web.
Beeftext - Beeftext is an open-source text substitution tool for Windows.
IntenseDebate - IntenseDebate's comment system enhances and encourages conversation on your blog or website.
TextExpander - TextExpander: Communicate Smarter. Gather, Perfect, Share Your Knowledge. Recall your best words instantly, repeatedly.
Discourse - Discourse is an open source discussion platform built for the next decade of the Internet.