TypingDNA Authenticator - 2FA codes in your browser, secured by the way you type
Look at that SaaS - Inspiration and resources for SaaS founders
Cotter - One-click phone number login and checkout
Good Sales Emails - Best sales emails from great companies
Auth0 - Auth0 is a program for people to get authentication and authorization services for their own business use.
SaaS 1000 - Free exportable list of the fastest growing SaaS companies