Incubate - Time-delay messaging app
Future Me - Send an email to your future self
Modern Memories - Letters written today. Delivered in the future.
Hoodmaps - Crowdsourced neighborhood 🗺 maps to navigate a city 💫
Future Posties - Easily set objectives, targets or goals for yourself by writing an email postcard to your future self.
Dabble Me - Your own private place to write. A journal/diary to help you remember what's happened in your life.