Whisper.sh - Whisper is the best place to express yourself online. Connect with likeminded individuals and discover the unseen world around you.
Roundio - Explore what people posted to Instagram or Flickr near you
Sayat - Sayat app is all about getting anonymous and honest feedback.
Herefeed - See what's hot near you. Powered by Instagram.
Sarahah - Sarahah is a Social Networking Application for providing anonymous feedback launched in 2016 and available to use on iOS and Android platforms.
Tagwin - Instagram contests & giveaways made easy