scalaj/scalaj-http

Simple scala wrapper for HttpURLConnection. OAuth included.

mohiva/play-silhouette

Silhouette is an authentication library for Play Framework applications that supports several authentication methods, including OAuth1, OAuth2, OpenID, CAS, 2FA, TOTP, Credentials, Basic Authentication or custom authentication schemes.

pac4j/play-pac4j

Security library for Play framework 2 in Java and Scala: OAuth, CAS, SAML, OpenID Connect, LDAP, JWT...

finagle/finagle-oauth2

OAuth2 Server-Side Provider for Finagle

kovacshuni/koauth

:closed_lock_with_key: OAuth 1.0a provider and consumer library for Scala & Java, storage independent/pluggable, async/reactive, designed to be used within a completely RESTful API.

joscha/play-authenticate

An authentication plugin for Play Framework 2.x (Java)

pac4j/vertx-pac4j

Security library for Vert.x: OAuth, CAS, SAML, OpenID Connect, LDAP, JWT...