About CILogon # CILogon is an open source service provider that allows users to log in against over 4000 various identity providers, including campus identity providers. The available identity providers are members of InCommon, a federation of universities and other organizations that provide single sign-on access to various resources. CILogon and 2i2c # For the past year, 2i2c has been successfully using CILogon for more than fifteen of the hubs it manages. Currently, most of the hubs that u...