Thankbot - Drive more business with handwritten notes
Garden - Container Engine
Thankster - Automagically send hand written cards
Affinity - Relationship Intelligence, Reimagined
Socialkeeper - Cultivate your friendships
Followup.cc - FollowUp for email is a lightweight productivity suite that keeps your conversations and tasks from slipping through the cracks. Set perfectly timed reminders that arrive at the top of your inbox, right when you need them.