Punkpost - Send handwritten cards as quick as texting
Maily McMailFace - Dead-simple, people-centric π©βπΌπ¨βπΌ mail app π
Inkpact - Send genuine handwritten messages in just a few clicks
Polymail - Native email app for email productivity.
Thankbot - Drive more business with handwritten notes
Mail Pilot - Beautiful task oriented email client for Mac, iPhone, & iPad