Future Me - Send an email to your future self
Stealthy: Secret Messenger - Chat anonymously with friends & strangers
Letter to Yourself - Send a physical letter to your future self
Phonebot - Make phone calls from within a Slack channel
Letter to my future self - Letter to my future self is a prominent email scheduling service that gives you the opportunity to create a letter with goals and thoughts for your future self and schedule a date for sending it.
ShareUrl - Share your accounts without giving out your password 🤫