Future Me - Send an email to your future self
Planet Explorer - Interactive global satellite images
Letter to Yourself - Send a physical letter to your future self
Wallcat - Enjoy a new, beautiful wallpaper, every day.
Letterflix - Send letters and snail mail online to the USA, Europe, India, or anywhere in the world. Letterflix is the easiest and secure way to send letters and snail mail anywhere in the world from the comfort of your home.
Splashy - Breathtaking, auto changing wallpaper app for macOS, Windows, Linux, iOS & Android