LinkBin - LinkBin is an app for iOS, iPadOS and macOS that allows temporary storage of links.
Future Me - Send an email to your future self
Brace - Access to the best developers for $0
Dabble Me - Your own private place to write. A journal/diary to help you remember what's happened in your life.
Curius - Save links and highlights to a beautiful personal page
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.