Whisper.sh - Whisper is the best place to express yourself online. Connect with likeminded individuals and discover the unseen world around you.
Turtle - New kind of anonymous messaging app
Sayat - Sayat app is all about getting anonymous and honest feedback.
Kruzo for iOS - Send an anonymous message and make someone's day brighter
Sarahah - Sarahah is a Social Networking Application for providing anonymous feedback launched in 2016 and available to use on iOS and Android platforms.
throwaway - throwaway is an in-browser messaging app.