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Top 14 Java OAuth Projects
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Project mention: Top 5 Open Source Identity and Access Management (IAM) providers 2025 | dev.to | 2025-03-26
Home page | GitHub Repo | Documentation | Discord community
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InfluxDB
InfluxDB high-performance time series database. Collect, organize, and act on massive volumes of high-resolution data to power real-time intelligent systems.
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pac4j
Security engine for Java (authentication, authorization, multi frameworks): OAuth, CAS, SAML, OpenID Connect, LDAP, JWT...
Project mention: Show HN: Torii – a framework agnostic authentication library for Rust | news.ycombinator.com | 2025-02-28 -
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Project mention: CloudFoundry User Account and Authentication (UAA) Server | news.ycombinator.com | 2024-12-04
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OpenAM
OpenAM is an open access management solution that includes Authentication, SSO, Authorization, Federation, Entitlements and Web Services Security.
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CodeRabbit
CodeRabbit: AI Code Reviews for Developers. Revolutionize your code reviews with AI. CodeRabbit offers PR summaries, code walkthroughs, 1-click suggestions, and AST-based analysis. Boost productivity and code quality across all major languages with each PR.
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play-pac4j
Security library for Play framework 2 in Java and Scala: OAuth, CAS, SAML, OpenID Connect, LDAP, JWT...
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twitch4j
A JVM library for all Twitch APIs, including Chat, Helix, and EventSub (webhook/websocket/conduit). It includes advanced features for large-scale apps such as connection pooling, rate-limiting, and more!
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OpenIG
Open Identity Gateway (OpenIG) is a high-performance reverse proxy server with specialized session management and credential replay functionality.
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azidp4j
[alpha] Java OAuth 2.0 Authorization Server & OpenID Connect Identity Provider Library for any web application frameworks.
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Nidam Registration
Nidam is a collection of Spring OAuth 2 microservices and a React SPA that takes care of Registration and Authentication of Users using the Security Standard OAuth 2. So You only focus on Business Logic (by Mehdi-HAFID)
Project mention: Nidam Registration VS Keycloak - a user suggested alternative | libhunt.com/r/Mehdi-HAFID/registration | 2024-05-19 -
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NOTE:
The open source projects on this list are ordered by number of github stars.
The number of mentions indicates repo mentiontions in the last 12 Months or
since we started tracking (Dec 2020).
Java OAuth discussion
Java OAuth related posts
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CloudFoundry User Account and Authentication (UAA) Server
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Keycloak took 10 months to fix a 2FA bypass
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Nidam Registration VS Keycloak - a user suggested alternative
2 projects | 19 May 2024 -
Ask HN: Simple Auth for Website
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Supertokens: Open-Source Alternative to Auth0 / Firebase Auth / AWS Cognito
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I’m looking for some passwordless options. Any recommendations
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If you were tasked with implementing Identity and Access Management today, what would you do?
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A note from our sponsor - SaaSHub
www.saashub.com | 25 Apr 2025
Index
What are some of the best open-source OAuth projects in Java? This list will help you:
| # | Project | Stars |
|---|---|---|
| 1 | SuperTokens Community | 14,061 |
| 2 | scribejava | 5,454 |
| 3 | pac4j | 2,467 |
| 4 | spring-security-oauth | 2,011 |
| 5 | uaa | 1,616 |
| 6 | react-native-inappbrowser | 1,359 |
| 7 | OpenAM | 816 |
| 8 | play-pac4j | 406 |
| 9 | twitch4j | 382 |
| 10 | OpenIG | 79 |
| 11 | auth | 29 |
| 12 | loginbuddy | 18 |
| 13 | azidp4j | 4 |
| 14 | Nidam Registration | 0 |
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