Apple iWork - iWork is an office suite by Apple.

Whisper.sh - Whisper is the best place to express yourself online. Connect with likeminded individuals and discover the unseen world around you.

Google Docs - Create a new document and edit with others at the same time -- from your computer, phone or tablet. Get stuff done with or without an internet connection. Use Docs to edit Word files. Free from Google.

Sayat - Sayat app is all about getting anonymous and honest feedback.

Airborn - Create and edit documents online without sacrificing your privacy

Sarahah - Sarahah is a Social Networking Application for providing anonymous feedback launched in 2016 and available to use on iOS and Android platforms.