Ask.fm - Curious? Just ask! Openly or anonymously.
Thankbot - Drive more business with handwritten notes
Whisper.sh - Whisper is the best place to express yourself online. Connect with likeminded individuals and discover the unseen world around you.
Socialkeeper - Cultivate your friendships
Tellonym - Tellonym is the most honest place on the internet.
Thankster - Automagically send hand written cards