OAuth2
Auth0
Spring Security
Devise
JSON Web Token
Firebase Authentication
Amazon Cognito
OmniAuth
OpenShift
Google App Engine
Salesforce Platform
Dokku
Heroku
Google Cloud Functions
Microsoft Azure
Kubernetes
OAuth2
OpenShiftAuth0 - Auth0 is a program for people to get authentication and authorization services for their own business use.
Google App Engine - A powerful platform to build web and mobile apps that scale automatically.
Spring Security - The Spring portfolio has many projects, including Spring Framework, Spring IO Platform, Spring Cloud, Spring Boot, Spring Data, Spring Security...
Salesforce Platform - Salesforce Platform is a comprehensive PaaS solution that paves the way for the developers to test, build, and mitigate the issues in the cloud application before the final deployment.
Devise - Flexible authentication solution for Rails with Warden.
Dokku - Docker powered mini-Heroku in around 100 lines of Bash