Readwise - Effortlessly rediscover and organize your Kindle highlights
Okta - Enterprise-grade identity management for all your apps, users & devices
Newsletters to Kindle - Read your newsletters on your Kindle
Auth0 - Auth0 is a program for people to get authentication and authorization services for their own business use.
Knotes - An efficient, beautiful Kindle highlights & notes manager
OneLogin - On-demand SSO, directory integration, user provisioning and more