Whisper.sh - Whisper is the best place to express yourself online. Connect with likeminded individuals and discover the unseen world around you.
Viable Fit - Measure and improve your product market fit
Sayat - Sayat app is all about getting anonymous and honest feedback.
Product Fit - Measure product/market fit in app with your users.
Stupid Chat - World's newest Anonymous Social Network
Product/Market Fit Survey - Check how close your product is to Product/Market fit