authentication
Get flash to fully experience Pearltrees
documentation
Janrain Engage (formerly RPX) enables you to quickly register and login users on your site via their existing Facebook, Google, Yahoo, Twitter, or OpenID accounts. Import rich user profile data, and publish user activities from your site to multiple social networks. Increase registration rates, generate qualified referral traffic from the social networks, and grow brand awareness.
Welcome to MyOpenID
OAuth Community Site
OAuth is a simple way to publish and interact with protected data. It's also a safer and more secure way for people to give you access. We've kept it simple to save you time. If you're storing protected data on your users' behalf, they shouldn't be spreading their passwords around the web to get access to it.
Getting Started — OAuth
Hueniverse publishes a guide which covers many of the topics needed to understand and implement the protocol and is available in multiple parts.
Authorization with OAuth OAuth is a secure and quick way to publish and access private data, such as contact lists and updates. It's an open authorization model based primarily on existing standards that ensures secure credentials can be provisioned and verified by different software platforms.
Browser-Based Authentication