!!! Overview
[{$pagename}] a non-exhaustive and not confirmed list of OAuth [OAuth 2.0] [adoption].


The [OpenID Foundation] enables deployments of [OpenID Connect] and the [Financial-grade API] ([FAPI]) Read/Write Profile to be certified to specific conformance profiles to promote interoperability among [implementations]. The [OpenID Foundation]’s certification process utilizes self-certification and conformance test suites developed by the foundation. Certified implementations can use the [OpenID Certified] certification mark.

Here’s some news and places to learn more about the OpenID Certification program:
* Certification for deployments of the [FAPI] Read/Write Profile 
* Certified [OpenID Connect] [implementations] are featured for developers at [http://openid.net/developers/certified/|http://openid.net/developers/certified/|target='_blank'].

But [{$applicationname}] has observed documentation that these [Entities] are valid.
Of course the level of adoption and or conformance has not been verified.

%%zebra-table
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||[entity]||Comments
|Auth0|[OAuth 2.0] [OpenID Connect Provider]
|Authlete|[OAuth 2.0] [OpenID Connect Provider]
|AuthMachine|[OAuth 2.0] [OpenID Connect Provider]
|[IdentityServer]|[OAuth 2.0] [OpenID Connect Provider]
|COBH Identity|[OAuth 2.0] [OpenID Connect Provider]
|[Computer Associates] [API-Gateway]|[OAuth 2.0] [OpenID Connect Provider]
|Chinese Academy of Sciences|[OAuth 2.0] [OpenID Connect Provider]
|Clareity Security Identity Provider|[OAuth 2.0] [OpenID Connect Provider]
|ClassLink OneClick|[OAuth 2.0][OpenID Connect Provider]
|Classmethod Barista|[OAuth 2.0][OpenID Connect Provider]
|Cloudentity||[OAuth 2.0] [OpenID Connect Provider]
|[Connect2id]|[OAuth 2.0] [OpenID Connect Provider]
|[Curity]|[OAuth 2.0] [OpenID Connect Provider]
|mojeID|[OAuth 2.0] [OpenID Connect Provider]
|[ForgeRock] [OpenAM]|[OAuth 2.0] [OpenID Connect Provider]
|[Gluu]|[OAuth 2.0] [OpenID Connect Provider]
|GrabTaxi Holdings Grab ID|[OAuth 2.0] [OpenID Connect Provider]
|GraviteeSource	Access Management|[OAuth 2.0] [OpenID Connect Provider]
|[GSMA]	[Mobile Connect] Reference Implementation|[OAuth 2.0] [OpenID Connect Provider]
|Thierry Habart	SimpleIdentityServer|[OAuth 2.0] [OpenID Connect Provider]
|Hanscan Biocryptology OpenID Identity Server|[OAuth 2.0] [OpenID Connect Provider]
|pyoidc|[OAuth 2.0] [OpenID Connect Provider]
|Spark Platform|[OAuth 2.0] [OpenID Connect Provider]
|Identity Automation RapidIdentity Federation|[OAuth 2.0] [OpenID Connect Provider]
|i-Sprint Innovations AccessMatrix UAM|[OAuth 2.0] [OpenID Connect Provider]
|KSign Access|[OAuth 2.0] [OpenID Connect Provider]
|The Library of Congress Authentication, Authorization, and Accounting System,|[OAuth 2.0] [OpenID Connect Provider]
|LINE Login|[OAuth 2.0] [OpenID Connect Provider]
|Mvine Federated Identity Hub|[OAuth 2.0] [OpenID Connect Provider]
|NEC NC7000-3A-OC|[OAuth 2.0] [OpenID Connect Provider]
|NextReason Next Reason Central Identity|[OAuth 2.0] [OpenID Connect Provider]
|Nomura Research Institute|[OAuth 2.0] [OpenID Connect Provider]
|NRI SecureTechnologies|[OAuth 2.0] [OpenID Connect Provider]
|NTT Software Corporation TrustBind Federation Manager|[OAuth 2.0] [OpenID Connect Provider]
|OGIS-RI ThemiStruct Identity Platform|[OAuth 2.0] [OpenID Connect Provider]
|[Okta]	Okta OP|[OAuth 2.0] [OpenID Connect Provider]
|Onegini Onegini Connect|[OAuth 2.0] [OpenID Connect Provider]
|OpenAthens Cloud|[OAuth 2.0] [OpenID Connect Provider]
|[Optimal IdM]|[OAuth 2.0] [OpenID Connect Provider]
|[Oracle] Oracle Identity Cloud Service|[OAuth 2.0] [OpenID Connect Provider]
|ORY GmbH ORY Hydra|[OAuth 2.0] [OpenID Connect Provider]
|Oxyliom GAÏA Trust Platform|[OAuth 2.0] [OpenID Connect Provider]
|Peercraft ApS|[OAuth 2.0] [OpenID Connect Provider]
|[Ping Identity] [PingFederate]|[OAuth 2.0] [OpenID Connect Provider]
|[Ping Identity] [PingOne]|[OAuth 2.0] [OpenID Connect Provider]
|Pivotal Cloud Foundry|[OAuth 2.0] [OpenID Connect Provider]
|Privacy Vaults Online (PRIVO) PRIVO-Lock|[OAuth 2.0] [OpenID Connect Provider]
|ProSiebenSat.1 Media 7Pass|[OAuth 2.0] [OpenID Connect Provider]
|Recruit ID|[OAuth 2.0] [OpenID Connect Provider]
|MITREidConnect|[OAuth 2.0] [OpenID Connect Provider]
|[SecureAuth]|[OAuth 2.0] [OpenID Connect Provider]
|[Node.js] oidc-provider|[OAuth 2.0] [OpenID Connect Provider]
|SoftBank|[OAuth 2.0] [OpenID Connect Provider]
|[Symantec]|[OAuth 2.0] [OpenID Connect Provider]
|HelloID|[OAuth 2.0] [OpenID Connect Provider]
|U2U Consult The Identity Hub|[OAuth 2.0] [OpenID Connect Provider]
|University of Chicago|[OAuth 2.0] [OpenID Connect Provider]
|Verimi|[OAuth 2.0] [OpenID Connect Provider]
|[Verizon] [VZConnect]|[OAuth 2.0] [OpenID Connect Provider]
|Videntity Systems Verify My Identity|[OAuth 2.0] [OpenID Connect Provider]
|ViewDS	Cobalt|[OAuth 2.0] [OpenID Connect Provider]
|[VMware] Workspace ONE|[OAuth 2.0] [OpenID Connect Provider]
|WidasConcepts cidaas|[OAuth 2.0] [OpenID Connect Provider]
|[WSO2]	Identity Server|[OAuth 2.0] [OpenID Connect Provider]
|[Bitbucket]|[OAuth 2.0]
|[Google App Engine]|1.0a, [OAuth 2.0] [Authorization Server]
|[Jive Software]|1.0a, [OAuth 2.0]
|[LinkedIn]|1.0a, [OAuth 2.0] [Authorization Server]
|[Salesforce].com|1.0a, [OAuth 2.0] [Authorization Server]
|[Twitter]|1.0a, [OAuth 2.0]
|[Yahoo]|1.0a, [OAuth 2.0]
|[Aerobase]|[OAuth 2.0]
|[Amazon] ([AWS Cognito])|[OAuth 2.0] [Authorization Server]
|[AOL]|[OAuth 2.0]
|[Authentiq]|[OAuth 2.0]
|[Basecamp]|[OAuth 2.0]
|Battle.net|[OAuth 2.0]
|bitly|[OAuth 2.0]
|Box|[OAuth 2.0]
|[Cloud Foundry]|[OAuth 2.0] [Authorization Server]
|[Deutsche Telekom]|[OAuth 2.0]
|Discord|[OAuth 2.0]
|[Fitbit]|[OAuth 2.0]
|Formstack|[OAuth 2.0]
|Foursquare|[OAuth 2.0]
|GitHub|[OAuth 2.0] [Authorization Server]
|[Google]|[OAuth 2.0] [Authorization Server] [Identity Provider (IDP)]
|Huddle|[OAuth 2.0]
|Imgur|[OAuth 2.0]
|Instagram|[OAuth 2.0]
|[Intel] Cloud Services|[OAuth 2.0]
|[Keycloak]|[OAuth 2.0]
|[Microsoft] (Hotmail, [Windows Live], Messenger, [Azure], Xbox)|[OAuth 2.0] [Identity Provider (IDP)] [Authorization Server]
|OpenAM|[OAuth 2.0]
|Passport|[OAuth 2.0]
|[PayPal]|[OAuth 2.0]
|[Reddit]|[OAuth 2.0]
|Sina Weibo|[OAuth 2.0]
|[Stack Exchange]|[OAuth 2.0]
|Strava|[OAuth 2.0]
|Stripe|[OAuth 2.0]
|Twitch|[OAuth 2.0]
|Ukey1|[OAuth 2.0]
|Viadeo|[OAuth 2.0]
|VK|[OAuth 2.0]
|XING|[OAuth 2.0]
|Yammer|[OAuth 2.0]
|Yandex|[OAuth 2.0]
|Yelp|[OAuth 2.0] 
|Zendesk|[OAuth 2.0]
|Dailymotion|[OAuth 2.0]
|[Facebook]|[OAuth 2.0]
|deviantART|[OAuth 2.0]

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!! More Information
There might be more information for this subject on one of the following:
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* [#1] - [List_of_OAuth_providers|Wikipedia:List_of_OAuth_providers|target='_blank'] - based on information obtained 2019-06-20 
* [#2] -[Certified OpenID Connect Implementations|http://openid.net/developers/certified/|target='_blank'] - based on information obtained 2019-06-20