1Password - 1Password can create strong, unique passwords for you, remember them, and restore them, all directly in your web browser.
Dead Man's Switch - Automatically send emails to your chosen recipients should anything happen to you.
Lastpass - LastPass is an online password manager and form filler that makes web browsing easier and more secure.
Later Reminders - Super simple way to schedule reminders on your phone
Haven - Personal space security app, backed by Snowden
DevTodo - To-do list for Chrome DevTools.