Future Me - Send an email to your future self
PixelMe - URL shortener for savvy marketers
Incubate - Time-delay messaging app
Short.io - Short.io makes short links (vanity urls) on your own domain. Free signup, analytics and API. Chrome, slack, zapier and segment integrations.
Vuash - Send secret messages safely.
Linktree - Connect your audience to all of your content with just one link.