Linkello - Video calls simplified, no installation required.
Whisper.sh - Whisper is the best place to express yourself online. Connect with likeminded individuals and discover the unseen world around you.
jTorchat - jTorchat stands for Java Torchat, and is a complete rewrite of the popular p2p IM messenger Torchat
Sayat - Sayat app is all about getting anonymous and honest feedback.
Signal - Fast, simple & secure messaging. Privacy that fits in your pocket.
Stupid Chat - World's newest Anonymous Social Network