Carrd - Simple, responsive one-page site creator.
Tinder - Tinder is how people meet. It's like real life, but better.
Landing Pages in MailChimp - Easy to build, custom landing pages for free
Bumble - Bumble is a social network that allows you to feel empowered while you make those connections, whether you’re dating, looking for friends, or growing your professional network. One first move on Bumble could change your life.
Tinder Places - Discover new people who hang where you hang
Triage & Timeline by Linear - The issue tracking tool you'll enjoy using