OAuth.io vs Passport: What are the differences?
OAuth.io: OAuth That Just Works. OAuth is a protocol that aimed to provide a single secure recipe to manage authorizations. It is now used by almost every web application. However, 30+ different implementations coexist. OAuth.io fixes this massive problem by acting as a universal adapter, thanks to a robust API. With OAuth.io integrating OAuth takes minutes instead of hours or days; Passport: Simple, unobtrusive authentication for Node.js. It is authentication middleware for Node.js. Extremely flexible and modular, It can be unobtrusively dropped in to any Express-based web application. A comprehensive set of strategies support authentication using a username and password, Facebook, Twitter, and more.
OAuth.io and Passport can be categorized as "User Management and Authentication" tools.
Passport is an open source tool with 15.9K GitHub stars and 936 GitHub forks. Here's a link to Passport's open source repository on GitHub.