Grum - Post on Instagram from your computer!
Thankbot - Drive more business with handwritten notes
Postedo - Simple Instagram scheduler that publishes for you
Thankster - Automagically send hand written cards
Magic Likes for Instagram Stat - Magic Likes for Instagram Stat is a social app by Fraoula that comes up with intuitive features to help you with your Instagram account.
Socialkeeper - Cultivate your friendships