Readwise - Effortlessly rediscover and organize your Kindle highlights
Auth0 - Auth0 is a program for people to get authentication and authorization services for their own business use.
Newsletters to Kindle - Read your newsletters on your Kindle
iRobot Create - All the tools to build a real robot
Knotes - An efficient, beautiful Kindle highlights & notes manager
1Password - 1Password can create strong, unique passwords for you, remember them, and restore them, all directly in your web browser.