Details are available on the website about the author's philosophy on privacy. Demonsaw's aim is to make strong cryptography and anonymity easy enough for the average person through social cryptography. Version 2.5.0 just launched and it has loads of cool fixes and features. Currently Demonsaw features file sharing, chat, and private groups. Future releases will include file sync, streaming audio/video, and much more.
Everyone is encouraged to grab a copy and try it out!